Week 49, 2026
November 30 – December 6, 2026
Monday November 30 – Sunday December 62026-W49Days 334–340
The seven days
| Date | ISO week date | Day of year | US week | Islamic date (computed) | Holidays and other dates |
|---|---|---|---|---|---|
| Mon, Nov 30 | 2026-W49-1 | 334 | 49 | 20 Jumada al-Akhirah 1448 AH | St Andrew's Day (UK: Scotland) |
| Tue, Dec 1 | 2026-W49-2 | 335 | 49 | 21 Jumada al-Akhirah 1448 AH | |
| Wed, Dec 2 | 2026-W49-3 | 336 | 49 | 22 Jumada al-Akhirah 1448 AH | |
| Thu, Dec 3 | 2026-W49-4 | 337 | 49 | 23 Jumada al-Akhirah 1448 AH | |
| Fri, Dec 4 | 2026-W49-5 | 338 | 49 | 24 Jumada al-Akhirah 1448 AH | |
| Sat, Dec 5 | 2026-W49-6 | 339 | 49 | 25 Jumada al-Akhirah 1448 AH | Hanukkah (first day) |
| Sun, Dec 6 | 2026-W49-7 | 340 | 50 | 26 Jumada al-Akhirah 1448 AH | Constitution Day (Spain) |
About week 49
The week spans two months: it starts in November and ends in December, with December 1 on Tuesday. In US numbering, where weeks start on Sunday and the week of January 1 is week 1, Monday to Saturday are US week 49 and Sunday US week 50.
Holidays this week: St Andrew's Day on Mon, Nov 30 in UK: Scotland; Constitution Day on Sun, Dec 6 in Spain. Also this week: Hanukkah (first day) on Sat, Dec 5 (25 Kislev; the first candle is lit the evening before). All weeks of 2026 lists the neighbouring weeks.
Week 49 in other years
| Year | Week 49 runs |
|---|---|
| 2024 | Mon, Dec 2 – Sun, Dec 8 |
| 2025 | Mon, Dec 1 – Sun, Dec 7 |
| 2026 | Mon, Nov 30 – Sun, Dec 6 |
| 2027 | Mon, Dec 6 – Sun, Dec 12 |
| 2028 | Mon, Dec 4 – Sun, Dec 10 |
| 2029 | Mon, Dec 3 – Sun, Dec 9 |
In 2027, week 49 runs Mon, Dec 6 – Sun, Dec 12: 2026 has 53 weeks, so the same number comes 371 days later, 6 days later in the calendar. Over the 400-year cycle, the Monday of week 49 falls between November 29 and December 6.
By the end of week 49, 340 days of 2026 have passed (93.2% of the year), and 4 ISO weeks of 2026 remain. The week falls in Q4.
Writing week 49
ISO 8601 writes this week as 2026-W49 (basic format 2026W49), from 2026-W49-1 on Monday to -7 on Sunday. The week number page shows the spreadsheet and Python formulas that give these numbers.