Week 53 of the year
When is week 53? The exact Monday–Sunday dates of ISO week 53 for every year from 2024 to 2032.
Week 53 of 2026 runs from Monday, Dec 28, 2026 to Sunday, Jan 3, 2027 (Dec / Jan). Week 53 of 2026 is 24 weeks away. ISO week code: 2026-W53.
Week 53 dates by year
| Year | Week 53 starts (Mon) | Week 53 ends (Sun) | Month |
|---|---|---|---|
| 2024 | — 2024 has only 52 weeks (no week 53) | ||
| 2025 | — 2025 has only 52 weeks (no week 53) | ||
| 2026 | Monday, December 28, 2026 | Sunday, January 3, 2027 | Dec / Jan |
| 2027 | — 2027 has only 52 weeks (no week 53) | ||
| 2028 | — 2028 has only 52 weeks (no week 53) | ||
| 2029 | — 2029 has only 52 weeks (no week 53) | ||
| 2030 | — 2030 has only 52 weeks (no week 53) | ||
| 2031 | — 2031 has only 52 weeks (no week 53) | ||
| 2032 | Monday, December 27, 2032 | Sunday, January 2, 2033 | Dec / Jan |
All weeks
Frequently asked questions
Which years have a week 53?
Recent and upcoming 53-week years: 2020, 2026, 2032, 2037, 2043, 2048. A year has 53 weeks when January 1 falls on a Thursday, or on a Wednesday in a leap year.
What month is week 53 in?
Week 53 typically falls in Dec / Jan. The exact dates shift by up to a few days from year to year because week 1 is anchored to January 4, not January 1.
How do I write week 53 as a week code?
The ISO code is the year plus W53 — for example 2026-W53, short form 26W53, or YYWW date code 2653. See week number formats.
Are these dates the same in every country?
Yes for ISO 8601 (Monday-start) numbering, which is what this table shows. US Sunday-start calendars can label the same days with a number one higher — see week start conventions.