Week 52 of 2025

December 22, 2025 (Monday) to December 28, 2025 (Sunday)

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ISO Week Number
Week 52
2025 · Week 52 of 52 total weeks

What dates are in Week 52 of 2025?

Week 52 of 2025 runs from December 22, 2025 (Monday) to December 28, 2025 (Sunday). This is the 52th week of the year according to the ISO 8601 standard, in which weeks start on Monday.

Mon
Dec 22
Day 356
Tue
Dec 23
Day 357
Wed
Dec 24
Day 358
Thu
Dec 25
Day 359
Fri
Dec 26
Day 360
Sat
Dec 27
Day 361
Sun
Dec 28
Day 362
Starts December 22, 2025 Monday · Day 356
Ends December 28, 2025 Sunday · Day 362
Duration 7 days 2025 · 52-week year

📅 Nearby weeks in 2025

Week 50Week 51Week 52

📋 All 52 weeks in 2025

12345·678910·1112131415·1617181920·2122232425·2627282930·3132333435·3637383940·4142434445·4647484950·5152

📆 Week 52 in other years

Week 52 · 2024Week 52 · 2026

🔧 Related tools

Week Number Calculator Date to Week 2025 Full Calendar

❓ Related questions about Week 52 of 2025

What day of the week is Dec 22?

Dec 22 is a Monday. It is the first day of Week 52 of 2025.

What day of the week is Dec 28?

Dec 28 is a Sunday. It is the last day of Week 52 of 2025.

What is the ISO week number for Dec 22?

Dec 22 is in Week 52 of 2025 according to ISO 8601.

What is the ISO week number for Dec 28?

Dec 28 is in Week 52 of 2025 according to ISO 8601.

❓ Frequently asked questions about Week 52 of 2025

What dates are in Week 52 of 2025?

Week 52 of 2025 runs from December 22, 2025 to December 28, 2025.

Which day of the year does Week 52 start on?

Week 52 of 2025 starts on December 22, 2025, the 356th day of 2025.

Does Week 52 of 2025 fall entirely within 2025?

Yes, all 7 days of Week 52 of 2025 fall within 2025.

How many weeks are in 2025?

2025 has 52 weeks according to ISO 8601.