What Day of the Week Is It
Find the day of the week of any date. What day of week was or will be a date
What Day of the Week Is It
How to find the day of the week of a date
Example: September 1, 2026
September 1, 2026 — Tuesday · ISO week 36 · day 244 of 2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 |
September 1, 2026 — Tuesday
Every date has one weekday in the Gregorian calendar. A fixed date moves one weekday later each year — two once a 29 February is passed — so September 1, 2026, is a Tuesday and September 1, 2027, a Wednesday.
| Date | Day of the week |
|---|---|
| September 1, 2025 | Monday |
| September 1, 2026 | Tuesday |
| September 1, 2027 | Wednesday |
| January 1, 2025 | Wednesday |
| January 1, 2026 | Thursday |
| January 1, 2027 | Friday |
| December 31, 2025 | Wednesday |
| December 31, 2026 | Thursday |
| December 31, 2027 | Friday |
See Also
- Time Until Calculator - Count down the hours, minutes and seconds to a specific time
- Add or Subtract Time - Time Calculator - Add or Subtract Days, Hours and Minutes from Now
- Seconds converter - Convert Seconds to Minutes/Hours/Days/Months/Years
- Hours and Minutes in Minutes - Convert Hours and Minutes to Minutes
- Hours and Minutes as a Decimal - Convert Hours and Minutes to Decimal and Fraction
- Time Zone of a Place - The time zone of a state, city or country: the UTC offset, the abbreviations and the clock changes
- Calendar by Month and Year - A month or a whole year laid out by weekday, with ISO week numbers and holidays
- What Day of the Year Is It - Today's day number, the days and weeks left until the end of the year and the share of it already gone
- What Week of the Year Is It - Today's ISO 8601 week number, the US week number, and every week of any year with its dates
FAQ
Which calendar is the day of the week taken from?
From the proleptic Gregorian calendar — the one in use today, extended backwards past its introduction in 1582. A date recorded in the Julian calendar (Russia kept it until 1918) will therefore show a different weekday here than it did in the records of the time.
Why does the same date fall on a different day of the week each year?
A common year is 52 weeks plus one day, so a fixed date moves one weekday forward every year, and two when a 29 February is passed. The whole cycle repeats after 28 years, except across century years that are not leap, such as 1900 and 2100.
Is there a way to find the weekday in your head?
Use the doomsday trick: within any one year the last day of February, 4 April, 6 June, 8 August, 10 October and 12 December all fall on the same weekday. For 2025 that day is Friday, so 6 June 2025 is a Friday and any nearby date is counted off from it in sevens.