What Week Is December 31, 2025?

December 31, 2025 (Wednesday)

← Dec 30 December 31, 2025 Jan 1 →
This Date Falls In
Week 1
of 2026

December 31, 2025 is Week 1 of 2026

December 31, 2025 falls on a Wednesday. It is in the 1th week of 2026, and is the 365th day of the year (2025).

Mon
Dec 29
Day 363
Tue
Dec 30
Day 364
Wed
Dec 31
Day 365
Thu
Jan 1
Day 1
Fri
Jan 2
Day 2
Sat
Jan 3
Day 3
Sun
Jan 4
Day 4
Week starts December 29, 2025 Monday · Week 1
Week ends January 4, 2026 Sunday · Week 1
Day of year 365 of 365 (2025)

📅 Nearby weeks in 2026

Week 1Week 2Week 3 Week 2 →

📆 Other dates in December 2025

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📆 Same date in other years

December 31, 2024December 31, 2026

🔧 Related tools

Week Number Calculator Full Week 1 2026 Calendar

❓ Related questions about December 31, 2025

What week number was Dec 31, 2024?

The previous year, Dec 31, 2024 is in Week 1 of 2025.

What week number is Dec 31, 2026?

Dec 31, 2026 is in Week 53 of 2026.

What is the day of the week for December 31, 2025?

December 31, 2025 is a Wednesday.

❓ Frequently asked questions about December 31, 2025

What week of 2026 is December 31, 2025?

December 31, 2025 is in Week 1 of 2026.

What day of the week is December 31, 2025?

December 31, 2025 is a Wednesday.

Which week does December 31, 2025 belong to?

December 31, 2025 belongs to Week 1 of 2026.

What is the week number for December 31, 2025?

The week number for December 31, 2025 is Week 1 of 2026.