Display the calendar for any month, with ISO week numbers, the weekend marked and today highlighted.
Pick the month and year
The week starts on Monday. The first column shows the ISO week number; today is highlighted.
| # | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 3 | 4 | |||
| 2 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 3 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 4 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 5 | 26 | 27 | 28 | 29 | 30 | 31 |
Precise calendar calculations. Everything is computed instantly in your browser, no account, no data sent. Leap years and Gregorian calendar rules are handled.
Pick the month and year; the grid is built with the week starting on Monday. It shows the day count, working days, weekend days and ISO week numbers:
July 2026 has 31 days: 23 working days and 8 weekend days, spread over ISO weeks 27–31.
Pick the month and year, and the calculator shows the month grid with numbered (ISO) weeks and today highlighted.
The calendar uses the European convention: the week starts on Monday and ends on Sunday, with the weekend (Saturday, Sunday) marked.
The result shows the day count: January, March, May, July, August, October and December have 31; April, June, September and November have 30; February has 28 or 29.
The calendar counts the Monday-to-Friday days and the weekend days in the month, useful for timesheets and planning.
They are the ISO 8601 week numbers for each row, used in business and planning.
Yes, enter any year (past or future) and any month; the grid is computed correctly, accounting for leap years in February.
Only in leap years. The calendar automatically shows 29 days for February in leap years (e.g. 2024, 2028) and 28 otherwise.
Planning events, checking weekdays, week numbers and the days off in a month.