I-Calculator ye-Add or Remove Days
Yongeza okanye ususe iintsuku, iintsuku eziliqela, iinyanga okanye iminyaka ukusuka nakweyiphi na imihla.
Iinketho ze projekti
Malunga nale Calculator
An add or subtract days calculator shifts a start date by a number of days — and optionally weeks, months and years — and shows the resulting calendar date, which day of the week it falls on, its day-of-year number and the net shift in days. It handles month lengths and leap years automatically, so "3 months from" the 30th or the 31st lands on a real date rather than an impossible one like 31 February.
The way it works is simple: pick a start date, choose Add or Subtract, and enter how many days, weeks, months or years to move. Years and months are applied first against the calendar, then the weeks and days are counted off one by one, so the answer respects the fact that months are 28–31 days long and that leap years have an extra 29 February. The result is a single shifted date together with its weekday, its ISO form (YYYY-MM-DD) and the total net movement in days.
For a worked example, start on Friday 15 August 2025 and add 90 days: the tool returns Thursday 13 November 2025, day 317 of the year, a net shift of +90 days. People reach for this when counting a warranty or return window, a 30/60/90-day notice period, a due date 40 weeks from conception, a court or contract deadline, or simply "what date is 100 days from now".
Imibuzo ebuza rhoqo
Iinyanga zidityaniswa njani kumhla?
Iinyanga zidityaniswa ngekhalenda, hayi ngenani elithe nkqo leentsuku. Ukongeza inyanga enye kuJanuwari 15 unika uFebruwari 15. Xa iinyanga ezicwangcisiweyo zifutshane, umhla ujikeleza kwinyanga elandelayo - uJanuwari 31 uthelekiswa nenyanga enye iwela ekuqaleni kukaMarchi.
Ingaba ukususwa kudlula kunyaka odlulileyo?
Ewe. Ukususa iintsuku, iintsuku okanye iinyanga ezingaphezulu kunezo zihlala kunyaka okhoyo kubuyela umva ngokulula kumda weminyaka, ukubeka ngokuchanekileyo ubude obuhlukileyo benyanga nganye nakweyiphi na imini ehambayo.
Ndingadibanisa iintsuku, iintsuku, iinyanga kunye neminyaka?
Ewe. Zonke iindawo ezine zisetyenziswa ndawonye kwindlela ekhethiweyo. Iminyaka nenyanga zisetyenziswa kuqala, emva koko iiveki nemihla, ngoko impumelelo yimihla etshintshiweyo epheleleyo.
Umhla ophi omalunga neentsuku ezili-90 ukusuka kumhla othile?
Ngenisa umhla wokuqalisa, shiya usebenziso kwi Dibanisa, kwaye ubeke 90 kummandla weentsuku. I kalkuleta ibala iintsuku zekhalenda ezili-90 phambili - umzekelo iintsuku ezili-90 emva komhla wama-15 Agasti 2025 yi 13 Novemba 2025 - kwaye inika igama ngoLwesine weveki oza kuwela kuwo.
Ingaba iqulethe unyaka ophelileyo?
Ewe. Ukudibanisa okanye ukususa kwi-29 kaFebruwari kulawulwa ngokuzenzekelayo, ngoko ke utshintsho lweminyaka emibini ukusuka ku-1 kuMatshi 2024 luya kuhlala ku-1 kuMatshi 2025 nokuba u-2024 uqulethe imini engaphezulu yokujika.
Ihlukile njani le kwi kalkuli yotshintsho lomhla?
This tool takes one date and moves it by a length of time to find a new date. The date difference calculator takes two dates you already know and measures the span between them.
Ingaba ibala umhla wokuqalisa ngokwakho?
Ayinaku. Umhla wokuqalisa yi-ankile, hayi umhla wokuqala. Ukongeza umhla omnye kwiMvulo unika uMvulo, ngoko inani olifumeneyo libungakanani bokuhamba, hayi indawo kuluhlu lweentsuku.
API — sebenzisa le calculator ukusuka kwikhowudi
Nceda le khadi lemali njengendawo esemva ye-JSON ekhululekileyo - akukho qhosha lifunekayo. Thumela amaxabiso endawo ezantsi njengeparameter yombuzo okanye i-JSON. Nantoni na oyenzayo isebenzisa okungagqibekanga okufanayo eli phepha ligqityiwe ngaphambili; iparameter engaziwayo yi 400, ayikho i zero ekhululekileyo. Funda i-API epheleleyo →
Incopho yesiphelo
GET https://calculator.free/api/v1/add-subtract-days/curl
curl "https://calculator.free/api/v1/add-subtract-days/?start=2026-10-09&operation=add&days=30"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/add-subtract-days/?" + new URLSearchParams({
"start": "2026-10-09",
"operation": "add",
"days": "30"
}));
const data = await r.json();
console.log(data.results);Results are estimates for general guidance only, not financial, medical or tax advice.