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Date Today — What Is Today's Date?

The date today in full, with the day of year, ISO week, quarter and days left in the year.

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Tomorrow's Date Tomorrow Tomorrow's date with the same figures — weekday, ISO form, day of year and week. Week Number Week The current ISO week number, and the week number for any date you choose. Day of Year Day of year Today's ordinal day number, how much of the year has elapsed, and how many days remain. Date Calculator Calculator Add or subtract days, weeks, months, years or business days — and count the days between two dates.

datetoday.now gives you the date today and everything just behind it. See today's date with its ISO form, day of year, week and quarter; check tomorrow; look up the week number or the day of year; or do the arithmetic with the date calculator. All read from your own device, all free.

The calendar has more edges than it looks

Leap years follow a rule with an exception and an exception to the exception. ISO weeks start on Monday but much of the world starts on Sunday. The same six digits mean two different days depending on which country wrote them. Our guides cover the rules behind each so the answers here make sense rather than just appearing.

From our guides

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Quick answers Counting Business Days: What Counts And What Does Not A deadline quoted in business days is shorter than it looks. Here is what counts as a working day, how weekends and holidays come out, and why the answer changes by country. 5 min read Calendar facts Date Format By Country: Who Writes Dates Which Way The same six digits mean different days in London, New York and Tokyo. Here is the date format each country uses, and the two ways to write a date that cannot be misread. 5 min read Calendar facts Calendar Systems: Dates In Hijri, Hebrew And Chinese Years Today has a date in several calendars at once. Here is how the Hijri, Hebrew and Chinese systems are built, and why none of them keeps step with the Gregorian year. 6 min read Calendar facts Day Of Year And Julian Day Number Explained Every date has a plain ordinal number between 1 and 366. Here is how the day of year is calculated, how 29 February shifts it, and how it differs from a Julian day. 5 min read Quick answers Days Between Two Dates: How To Count Them Correctly Counting the days between two dates is simple arithmetic that goes wrong constantly. Here are the inclusive and exclusive rules, and the boundaries that break manual counting. 6 min read Quick answers How Many Days Left In The Year? Work It Out Exactly The days left in the year is one subtraction away once you know the day of year. Here is the arithmetic, the leap year adjustment, and the inclusive-counting trap. 5 min read Calendar facts ISO Week Number Explained: The First-Thursday Rule Week numbers look simple until the turn of the year, when 1 January can land in week 52 of the year before. Here is the ISO 8601 rule that decides it. 5 min read Calendar facts Leap Year Explained: The Rule, The Reason, The Exceptions Divisible by four, except centuries, except centuries divisible by four hundred. Here is why that awkward rule exists, and what 29 February does to the rest of the year. 5 min read

Frequently asked questions

Is datetoday.now free?
Yes — free, no signup, no download.
What is today's date?
It is shown live on the home page, read from your own device, in both written and ISO 8601 form.
What week number is it?
The current ISO week is on the week number page, which also looks up the week for any other date.
Does the site know my location?
No. It reads your device's date and time zone setting; nothing is requested or sent.
How do I count business days?
The date calculator has a business-days option that skips weekends. Public holidays vary by country and are not deducted.