Kalọ̀lịtà ụbọchị izu
Nweta ụbọchị nke izu ọbụla nke ụbọchị ọbụla na-abịa, maka ụbọchị gara aga mọọbụ ụbọchị n'ihu.
Nhọrọ ndị ahụ ga-akpụzi mgbe ị na-etipụta.
N'ihe banyere calculator a
A day of the week calculator tells you which day a given date lands on — Monday through Sunday — for any date, past or future, using the browser’s proleptic Gregorian calendar. Alongside the weekday it reports the day number within the year (1–365 or 366), the ISO-8601 week number, whether the year is a leap year, and how many days remain until the end of the year. It is handy for planning events, checking historical dates, or working out which weekday a birthday or anniversary falls on in a future year.
You simply enter a date (or leave it blank for today) and it maps that date to a definite weekday using the proleptic Gregorian calendar built into every browser — the modern calendar rules projected consistently backward and forward in time. The same lookup yields the day-of-year number, the ISO week the date belongs to, and whether that year carries a 29 February, so a single answer covers several common questions at once.
For example, 4 July 1776 was a Thursday, and 1 January 2000 was a Saturday; enter your own birthdate and you can see which weekday you were born on, then check which weekday it falls on this year. People use it to plan events onto a particular weekday, settle "what day was I born" questions, verify a historical date, or work out that a fixed-date holiday shifts to a new weekday each year.
Ajụjụ ndị a na-ajụkarị
Olee otú ụbọchị izu a ga-esi pụta?
Calculator ahụ na-eji proleptic Gregorian kalenda (otu ahụ e mepụtara na ọbụla browser), nke na-egosipụta iwu kalenda ụbọchị a n'ihu na azụ, ya mere ọbụla ụbọchị maps ka ụbọchị izu ụka dị iche iche site na Monday ruo Sunday.
Gịnị bụ nọmba izu ISO?
N'okpuru ISO 8601, izu na-amalite na Monday na izu 1 bụ izu nke nwere ụbọchị mbụ nke afọ (dị ka, izu na 4 Janụwarị). Nke ahụ pụtara na ụbọchị nke oge mbụ nke Janụwarị mọọbụ nke oge nke ikpeazụ nke Desanm nwere ike ịbụ izu 52/53 nke afọ na-esonụ.
Ọrụ ya maka ụbọchị tupù 1900 mọọbụ n'oge na-adịghị anya?
Ee. N'ihi na ọ na-eji gregorian kalendra proleptic ọ na-ejikwa ụbọchị akụkọ ihe mere eme na nke n'ihu n'ụzọ dị n'otu, ọbụna maka ụbọchị ochie nke ụwa n'ozuzu ya, akụkọ ihe mere eme kalendra a na-eji na oge ahụ (eg Julian) nwere ike ịdị iche.
Ọnwa ole ka m mụrụ?
Tinye ụbọchị ọmụmụ gị na aha kalkulata ahụ ụbọchị izu ụka ọ gwụchara na ya, nakwa ụbọchị-n'afọ na ọ bụ afọ nke ikpeazụ - ụzọ dị mfe iji kọwaa "ụbọchị ole m nụrụ."
Gịnị mere ụbọchị ọmụmụ ji bịa n'ụbọchị ọbụla n'afọ?
Ụbọchị 365 bụ ụbọchị afọ a, nke bụ izu 52 na ụbọchị ọzọ, ya mere ụbọchị ahazi na-abịa n'ihu ụbọchị izu ọbụla na afọ ọbụla na abụọ n'ime afọ nke a na-akpụgharị. Tinye ụbọchị maka afọ dị iche iche ka ịhụ usoro.
Wepụ ụbọchị ahụ n'ebe ọfụụ - ihe ga-eme?
If you leave the field empty the calculator uses today’s date, so it doubles as a "what day is it today" check along with the day-of-year and week number.
Ọ na-agwa m ma ọ bụrụ na afọ ahụ bụ afọ nke ikpeazụ?
Ya. Ọ na-ekwu ma ọ bụrụ na ụbọchị afọ bụ a leap afọ (366 ụbọchị) ma ọ bụ a afọ na-emekarị (365 ụbọchị), nke na-ekwukwa ihe mere ụbọchị-of-afọ zuru ezu nwere ike na-eru 366.
API — jiri kaadị a site na kóòdù
Kpọọ kalkulata a dịka ebe ngwụcha JSON n'efu - enweghị kii achọrọ. Ziga valiu ebe ahụ n'okpuru dịka paramita ajụjụ mọọbụ JSON. Ihe ọbụla ị na-ewepụ na-eji dìfọ́ọ̀ltụ̀ nke a na-edebe ihuakwụkwọ a na ya; parameter a na-amaghị bụ 400, ọ dịghị sẽọ̀rọ̀. Gụọ ngwe ndị ahụ niile →
Ebemkpofuozi
GET https://calculator.free/api/v1/day-of-the-week/curl
curl "https://calculator.free/api/v1/day-of-the-week/?date=2026-09-08"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/day-of-the-week/?" + new URLSearchParams({
"date": "2026-09-08"
}));
const data = await r.json();
console.log(data.results);Ihe a na-ahụta bụ n'ihi nlekọta n'ozuzu ya, ọ bụghị nlekọta ego, ọgwụ ma ọ bụ nlekọta ego.