Click on the field to select the starting date.
Click on the field to select the end date.
The difference between the dates:
31 December 2018, Monday and 28 March 2024, Thursday
5 years, 2 months, 29 days
or 63 months, or 273 weeks, or 1914 days, or 45936 hours, or 2756160 minutes, or 165369600 seconds

Monday 31 December 2018 It is the 365 day of the year
Thursday 28 March 2024 It is the 365 day of the year
Total number of minutes: 2756160
Total number of hours: 45936
Total number of days: 1914
Total number of weeks: 273
Total number of months: 63

How old am I if I was born on December 31 2018?

How old am I if I was born on December 31 2018? It is a commonly asked question. All of us want to know our age, regardless of whether we are young or old. To know how old we are is also needed in some cases. Somebody can ask us about it in school, work or in the office. So today is the day in which we are going to dispel all your doubts and give you an exact answer to the question of how old am I if I was born on December 31 2018.

In this article, you will learn how you can calculate your age – both on your own and with the use of a special tool. A little tidbit – you will see how to calculate your age with an accuracy of years, years and months and also years, months and days! So as you see, it will be such exact calculations. So it’s time to start.

I was born on December 31 2018. How old am I?

You were born on December 31 2018. We are sure that if somebody will ask you how old you are, you can answer the question. And we are pretty sure that the answer will be limited to years only. Are we right?

And of course, the answer like that is totally sufficient in most cases. People usually want to know the age given only in years, just for the general orientation. But have you ever wondered what your exact age is? It means the age given with an accuracy of years, months and even days? If not, you couldn't have chosen better.

Here you will finally see how to calculate your exact age and, of course, know the answer. What do you think – your exact age varies significantly from your age given in years only or not? Read the article and see if you are right!

How to calculate my age if I was born on December 31 2018?

Before we will move to the step by step calculations, we want to explain to you the whole process. It means, in this part we will show you how to calculate my age if I was born on December 31 2018 in a theoretical way.

To know how old you are if you were born on December 31 2018, you need to make calculations in three steps. Why are there so many steps? Of course, you can try to calculate it at once, but it will be a little complicated. It is so easier and quicker to divide the calculations into three. So let’s see these steps.

If you were born on December 31 2018, the first step will be calculating how many full years you are alive. What does ‘full years’ mean? To know the number of full years, you have to pay attention to the day and month of your birth. Only when this day and month have passed in the current year, you can say that you are one year older. If not, you can’t count this year as a full, and calculate full years only to the year before.

The second step is calculating the full, remaining months. It means the months which have left after calculating full years. Of course, this time, you also have to pay attention to your day of birth. You can count only these months, in which the date of your birth has passed. If in some month this date has not passed, just leave it for the third step.

The third step is to calculate the days which have left after calculating full years and full months. It means, these are days which you can’t count to full months in the second step. In some cases, when today is the same number as in the day in which you were born, you can have no days left to count.

So if you know how it looks in theory, let’s try this knowledge in practice. Down below, you will see these three steps with practical examples and finally know how old you are if you were born on December 31 2018.

Calculate full years since December 31 2018

The first step is calculating full years. So you were born on December 31 2018, and today is March 28 2024. First you need to do is checking if the 31th of December has passed this year. This is the 28th of March, so December was a few months before. It means you can calculate full years from the year of birth to the current year.

So how does the calculations look?

2024 - 2018 = 5

As you can see, you require subtracting the year of your birth from the current year. In this case, the result is 5. So it means that you are 5 years old now!

In some cases it will be sufficient to know your age only in years, but here you will know your exact age, so let’s move on.

Remaining months since December 31 2018 to now

The second step is to calculate full, remaining months. You were born on December 31 2018, today is March 28 2024. You know that there are 5 full years. So now let’s focus on months. To calculate only full months, you need to pay attention to the day of your birth. It’s 31th December. So now you require checking if 28th March has passed this year. If today is 28th of March, it means yes, 31th of March has passed. So you will calculate full months from December to March.

To make calculations, it will be better to mark months as numbers. December is the 12th month of the year, so mark it just as 2, and March is the 5th month of the year, so mark it just as 5. And now you can calculate the full, remaining months.

So you need to subtract the smaller number, in this case 2, from the bigger one, in this case 5. And then you have the result – it is 2 months. So now we know that if you were born on December 31 2018 you are 5 years and 2 months old. But what about days? Let’s check it!

Days left since December 31 2018 to now

The third, last step, is calculating the number of days which have left after previous calculations from the first and second step. There is no surprise, this time you also need to pay attention to the day of your birth. You were born on December 31 2018, today is March 28 2024. You have calculated full years, from 2018 to 2024, and full months, from December to March. It means you need to count only the days from March.

You were born on the 31th. Today is the 28th. So the calculations will be quite easy. You need to just subtract 31 from the 28 to see the number of days. The calculations will look like this:

So there are 29 full days left.

So to sum up – there are 5 full years, 2 full months and 29 days. So it means you are 5 years, 2 months and 29 days old exactly!

How Old Calculator dedicated to calculate how old you are if you were born on December 31 2018

Have you scrolled all parts containing calculations to know the easier way to know your age if you were born on December 31 2018?Don’t worry. We understand it. Here you are! We also prepared something for people who don’t like calculating on their own. Or just those who like to get the result as fast as possible, with almost no effort.

So what do we have for you? It is the how old calculator – online calculator dedicated to calculate how old you are if you were born on December 31 2018. It is, of course, math based. It contains the formulas, but you don’t see them. You only see the friendly-looking interface to use.

How can you use the how old calculator? You don’t need to have any special skills. Moreover, you don’t even need to do almost anything. You just need to enter the data, so you need to enter the date of your birth – day, month and year. Less than a second is totally sufficient for this tool to give you an exact result. Easy? Yup, as it looks!

There are more good pieces of information. The how old calculator is a free tool. It means you don’t have to pay anything to use it. Just go on the page and enjoy! You can use it on your smartphone, tablet or laptop. It will work as well on every device with an Internet connection.

So let’s try it on your own and see how fast and effortlessly you can get the answer to how old are you if you were born on December 31 2018.

Pick the best method to know your age for you

You have seen two different methods to know your age – first, calculations on your own, second, using the online calculator. It is time to pick the method for you. You could see how it works in both of them. You could try to calculate your exact age following our three steps and also use our app. So we are sure that now you have your favorite.

Both these methods are dedicated for different people and different needs. We gathered them in one article to show you the differences between them and give you the choice. So, if you need, read the previous paragraphs again, and enjoy calculations – regardless of whether you will make them on your own or using our how old calculator.

Do you feel old or young?

We are very curious what you think about your age now, when you finally know the exact numbers. Do you feel old or young? We are asking it because so many people, so many minds. All of you can feel the age differently, even if it is so similar or the same age! And we think it’s beautiful that all of us are different.

Regardless of feeling old or young, what do you feel more when you think about your age? What do you think about your life so far? We encourage you to make some kinds of summaries once in a while. Thanks to this, you will be able to check if your dream has come true, or maybe you need to fight more to reach your goal. Or maybe, after some thought, you will decide to change your life totally. Thinking about our life, analyzing our needs and wants – these things are extremely important to live happily.

Know your age anytime with How Old Calculator

We hope that our quite philosophical part of the article will be a cause for reflection for you. But let’s get back to the main topic, or, to be honest, the end of this topic. Because that’s the end of our article. Let’s sum up what you have learned today.

I was born on December 31 2018. How old am I? We are sure that such a question will not surprise you anymore. Now you can calculate your age, even exact age, in two different ways. You are able to make your own calculations and also know how to make it quicker and easier with the how old calculator.

It is time for your move. Let’s surprise your friends or family with the accuracy of your answers! Tell them how old you are with an accuracy of years, months and days!

Check also our other articles to check how old are your family members or friends. Pick their birthdate, see the explanation and get the results.

Invariant Language (Invariant Country) Monday, 31 December 2018
Afrikaans Maandag 31 Desember 2018
Aghem tsuʔukpà 31 ndzɔ̀ŋèfwòo 2018
Akan Dwowda, 2018 Mumu-Ɔpɛnimba 31
Amharic 2018 ዲሴምበር 31, ሰኞ
Arabic الاثنين، 31 ديسمبر 2018
Assamese সোমবাৰ, 31 ডিচেম্বৰ, 2018
Asu Jumatatu, 31 Desemba 2018
Asturian llunes, 31 d’avientu de 2018
Azerbaijani 31 dekabr 2018, bazar ertəsi
Azerbaijani 31 декабр 2018, базар ертәси
Azerbaijani 31 dekabr 2018, bazar ertəsi
Basaa ŋgwà njaŋgumba 31 Lìbuy li ńyèe 2018
Belarusian панядзелак, 31 снежня 2018 г.
Bemba Palichimo, 31 Disemba 2018
Bena pa shahuviluha, 31 pa mwedzi gwa kumi na mbili 2018
Bulgarian понеделник, 31 декември 2018 г.
Bambara ntɛnɛ 31 desanburu 2018
Bangla সোমবার, 31 ডিসেম্বর, 2018
Tibetan 2018 ཟླ་བ་བཅུ་གཉིས་པའི་ཚེས་31, གཟའ་ཟླ་བ་
Breton Lun 31 Kerzu 2018
Bodo समबार, दिसेज्ब़र 31, 2018
Bosnian ponedjeljak, 31. decembar 2018.
Bosnian понедјељак, 31. децембар 2018.
Bosnian ponedjeljak, 31. decembar 2018.
Catalan dilluns, 31 de desembre de 2018
Chakma 𑄥𑄧𑄟𑄴𑄝𑄢𑄴, 31 𑄓𑄨𑄥𑄬𑄟𑄴𑄝𑄧𑄢𑄴, 2018
Chechen 2018 декабрь 31, оршот
Cebuano Lunes, Disyembre 31, 2018
Chiga Orwokubanza, 31 Okwaikumi na ibiri 2018
Cherokee ᎤᎾᏙᏓᏉᏅᎯ, ᎥᏍᎩᏱ 31, 2018
Central Kurdish 2018 کانونی یەکەم 31, دووشەممە
Czech pondělí 31. prosince 2018
Welsh Dydd Llun, 31 Rhagfyr 2018
Danish mandag den 31. december 2018
Taita Kuramuka jimweri, 31 Mori ghwa ikumi na iwi 2018
German Montag, 31. Dezember 2018
Zarma Atinni 31 Deesanbur 2018
Lower Sorbian pónjeźele, 31. decembra 2018
Duala mɔ́sú 31 eláŋgɛ́ 2018
Jola-Fonyi Teneŋ 31 Disambar 2018
Dzongkha གཟའ་མིག་དམར་, སྤྱི་ལོ་2018 ཟླ་བཅུ་གཉིས་པ་ ཚེས་31
Embu Njumatatu, 31 Mweri wa ikũmi na Kaĩrĩ 2018
Ewe dzoɖa, dzome 31 lia 2018
Greek Δευτέρα, 31 Δεκεμβρίου 2018
English Monday, December 31, 2018
Esperanto lundo, 31-a de decembro 2018
Spanish lunes, 31 de diciembre de 2018
Estonian esmaspäev, 31. detsember 2018
Basque 2018(e)ko abenduaren 31(a), astelehena
Ewondo mɔ́ndi 31 ngɔn awóm ai bɛ̌ 2018
Persian 1397 دی 10, دوشنبه
Fulah aaɓnde 31 bowte 2018
Fulah aaɓnde 31 bowte 2018
Finnish maanantai 31. joulukuuta 2018
Filipino Lunes, Disyembre 31, 2018
Faroese mánadagur, 31. desember 2018
French lundi 31 décembre 2018
Friulian lunis 31 di Dicembar dal 2018
Western Frisian moandei 31 Desimber 2018
Irish Dé Luain 31 Nollaig 2018
Scottish Gaelic DiLuain, 31mh dhen Dùbhlachd 2018
Galician Luns, 31 de decembro de 2018
Swiss German Määntig, 31. Dezämber 2018
Gujarati સોમવાર, 31 ડિસેમ્બર, 2018
Gusii Chumatato, 31 Disemba 2018
Manx 2018 Mee ny Nollick 31, Jelhein
Hausa Litinin 31 Disamba, 2018
Hawaiian Poʻakahi, 31 Kekemapa 2018
Hebrew יום שני, 31 בדצמבר 2018
Hindi सोमवार, 31 दिसंबर 2018
Croatian ponedjeljak, 31. prosinca 2018.
Upper Sorbian póndźela, 31. decembra 2018
Hungarian 2018. december 31., hétfő
Armenian 2018 թ. դեկտեմբերի 31, երկուշաբթի
Interlingua lunedi le 31 de decembre 2018
Indonesian Senin, 31 Desember 2018
Igbo Mọnde, 31 Disemba 2018
Sichuan Yi 2018 ꊰꑋꆪ 31, ꆏꊂꋍ
Icelandic mánudagur, 31. desember 2018
Italian lunedì 31 dicembre 2018
Japanese 2018年12月31日月曜日
Ngomba Mɔ́ndi, 2018 Pɛsaŋ Ntsɔ̌ppá 31
Machame Jumatatuu, 31 Desemba 2018
Javanese Senin, 31 Desember 2018
Georgian ორშაბათი, 31 დეკემბერი, 2018
Kabyle Sanass 31 Duǧembeṛ 2018
Kamba Wa kwambĩlĩlya, 31 Mwai wa ĩkumi na ilĩ 2018
Makonde Liduva lyatatu, 31 Mwedi wa Nnyano na Nnyano na M 2018
Kabuverdianu sigunda-fera, 31 di Dizenbru di 2018
Koyra Chiini Atini 31 Deesanbur 2018
Kikuyu Njumatatũ, 31 Ndithemba 2018
Kazakh 2018 ж. 31 желтоқсан, дүйсенбі
Kako lundi 31 ɓulɓusɛ 2018
Kalaallisut 2018 decembarip 31, ataasinngorneq
Kalenjin Kotaai, 31 Kipsuunde nebo aeng’ 2018
Khmer ចន្ទ 31 ធ្នូ 2018
Kannada ಸೋಮವಾರ, ಡಿಸೆಂಬರ್ 31, 2018
Korean 2018년 12월 31일 월요일
Konkani सोमार 31 डिसेंबर 2018
Kashmiri ژٔندرٕروار, دسمبر 31, 2018
Shambala Jumaatatu, 31 Desemba 2018
Bafia lǝndí 31 ŋwíí akǝ ntɛk di bɛ́ɛ 2018
Colognian Mohndaach, dä 31. Dezämber 2018
Kurdish 2018 berfanbarê 31, duşem
Cornish 2018 mis Kevardhu 31, dy Lun
Kyrgyz 2018-ж., 31-декабрь, дүйшөмбү
Langi Jumatátu, 31 Kʉsasatʉ 2018
Luxembourgish Méindeg, 31. Dezember 2018
Ganda Balaza, 31 Desemba 2018
Lakota Aŋpétuwaŋži, Tȟahékapšuŋ Wí 31, 2018
Lingala mokɔlɔ mwa yambo 31 sánzá ya zómi na míbalé 2018
Lao ວັນຈັນ ທີ 31 ທັນວາ ຄ.ສ. 2018
Northern Luri AP 1397 Dey 10, Mon
Lithuanian 2018 m. gruodžio 31 d., pirmadienis
Luba-Katanga Nkodya 31 Ciswà 2018
Luo Wuok Tich, 31 Dwe mar Apar gi ariyo 2018
Luyia Jumatatu, 31 Desemba 2018
Latvian Pirmdiena, 2018. gada 31. decembris
Masai Jumatátu, 31 Ntʉ́ŋʉ́s 2018
Meru Muramuko, 31 Dicemba 2018
Morisyen lindi 31 desam 2018
Malagasy Alatsinainy 31 Desambra 2018
Makhuwa-Meetto Jumatatu, 31 Mweri wo kumi na yel’li 2018
Metaʼ Aneg 2, 2018 iməg krizmed 31
Maori Rāhina, 31 Hakihea 2018
Macedonian понеделник, 31 декември 2018
Malayalam 2018, ഡിസംബർ 31, തിങ്കളാഴ്‌ച
Mongolian 2018 оны арван хоёрдугаар сарын 31, Даваа гараг
Marathi सोमवार, 31 डिसेंबर, 2018
Malay Isnin, 31 Disember 2018
Maltese It-Tnejn, 31 ta’ Diċembru 2018
Mundang Comlaaɗii 31 Fĩi Yuru 2018
Burmese 2018၊ ဒီဇင်ဘာ 31၊ တနင်္လာ
Mazanderani AP 1397 Dey 10, Mon
Nama Mantaxtsees, 31 Hôasoreǁkhâb 2018
Norwegian Bokmål mandag 31. desember 2018
North Ndebele Mvulo, 31 Mpalakazi 2018
Low German 2018 M12 31, Mon
Nepali 2018 डिसेम्बर 31, सोमबार
Dutch maandag 31 december 2018
Kwasio mɔ́ndɔ 31 krísimin 2018
Norwegian Nynorsk måndag 31. desember 2018
Ngiemboon mvfò lyɛ̌ʼ , lyɛ̌ʼ 31 na saŋ lùm, 2018
Nuer Jiec la̱t 31 Tio̱p in di̱i̱t 2018
Nyankole Orwokubanza, 31 Okwaikumi na ibiri 2018
Oromo Wiixata, Muddee 31, 2018
Odia ସୋମବାର, ଡିସେମ୍ବର 31, 2018
Ossetic Къуырисӕр, 31 декабры, 2018 аз
Punjabi ਸੋਮਵਾਰ, 31 ਦਸੰਬਰ 2018
Punjabi پیر, 31 دسمبر 2018
Punjabi ਸੋਮਵਾਰ, 31 ਦਸੰਬਰ 2018
Polish poniedziałek, 31 grudnia 2018
Pashto دونۍ د AP 1397 د مرغومی 10
Portuguese segunda-feira, 31 de dezembro de 2018
Quechua Lunes, 31 Diciembre, 2018
Romansh glindesdi, ils 31 da december 2018
Rundi Ku wa mbere 31 Kigarama 2018
Romanian luni, 31 decembrie 2018
Rombo Ijumatatu, 31 Mweri wa ikumi na mbili 2018
Russian понедельник, 31 декабря 2018 г.
Kinyarwanda 2018 Ukuboza 31, Kuwa mbere
Rwa Jumatatuu, 31 Desemba 2018
Sakha 2018 сыл ахсынньы 31 күнэ, бэнидиэнньик
Samburu Mderot ee kuni, 31 Lapa le tomon waare 2018
Sangu Jumatatu, 31 Muhaano 2018
Sindhi 2018 ڊسمبر 31, سومر
Northern Sami 2018 juovlamánnu 31, vuossárga
Sena Chiposi, 31 de Decembro de 2018
Koyraboro Senni Atinni 31 Deesanbur 2018
Sango Bïkua-ûse 31 Kakauka 2018
Tachelhit ⴰⵢⵏⴰⵙ 31 ⴷⵓⵊⴰⵏⴱⵉⵔ 2018
Tachelhit aynas 31 dujanbir 2018
Tachelhit ⴰⵢⵏⴰⵙ 31 ⴷⵓⵊⴰⵏⴱⵉⵔ 2018
Sinhala 2018 දෙසැම්බර් 31, සඳුදා
Slovak pondelok 31. decembra 2018
Slovenian ponedeljek, 31. december 2018
Inari Sami vuossargâ, juovlâmáánu 31. 2018
Shona 2018 Zvita 31, Muvhuro
Somali Isniin, Bisha Laba iyo Tobnaad 31, 2018
Albanian e hënë, 31 dhjetor 2018
Serbian понедељак, 31. децембар 2018.
Serbian понедељак, 31. децембар 2018.
Serbian ponedeljak, 31. decembar 2018.
Swedish måndag 31 december 2018
Swahili Jumatatu, 31 Desemba 2018
Tamil திங்கள், 31 டிசம்பர், 2018
Telugu 31, డిసెంబర్ 2018, సోమవారం
Teso Nakaebarasa, 31 Opoo 2018
Tajik Душанбе, 31 Декабр 2018
Thai วันจันทร์ที่ 31 ธันวาคม พ.ศ. 2561
Tigrinya ሰኑይ፣ 31 ታሕሳስ መዓልቲ 2018 ዓ/ም
Turkmen 31 dekabr 2018 Duşenbe
Tongan Mōnite 31 Tīsema 2018
Turkish 31 Aralık 2018 Pazartesi
Tatar 31 декабрь, 2018 ел, дүшәмбе
Tasawaq Atinni 31 Deesanbur 2018
Central Atlas Tamazight Aynas, 31 Dujanbir 2018
Uyghur 2018 31-دېكابىر، دۈشەنبە
Ukrainian понеділок, 31 грудня 2018 р.
Urdu پیر، 31 دسمبر، 2018
Uzbek dushanba, 31-dekabr, 2018
Uzbek AP 1397 Dey 10, دوشنبه
Uzbek душанба, 31 декабр, 2018
Uzbek dushanba, 31-dekabr, 2018
Vai ꗳꗡꘉ, 31 ꖨꖕ ꕪꕴ ꗏꖺꕮꕊ 2018
Vai tɛɛnɛɛ, 31 luukao lɔma 2018
Vai ꗳꗡꘉ, 31 ꖨꖕ ꕪꕴ ꗏꖺꕮꕊ 2018
Vietnamese Thứ Hai, 31 tháng 12, 2018
Vunjo Jumatatuu, 31 Desemba 2018
Walser Mäntag, 31. Chrištmánet 2018
Wolof Altine, 31 Des, 2018
Xhosa 2018 Disemba 31, Mvulo
Soga Balaza, 31 Desemba 2018
Yangben móndie 31 pilɔndɔ́ 2018
Yiddish מאָנטיק, 31טן דעצעמבער 2018
Yoruba Ajé, 31 Ọ̀pẹ 2018
Cantonese 2018年12月31日 星期一
Cantonese 2018年12月31日星期一
Cantonese 2018年12月31日 星期一
Standard Moroccan Tamazight ⴰⵢⵏⴰⵙ 31 ⴷⵓⵊⴰⵏⴱⵉⵔ 2018
Chinese 2018年12月31日星期一
Chinese 2018年12月31日星期一
Chinese 2018年12月31日 星期一
Zulu UMsombuluko, Disemba 31, 2018