Week 20 of 2025

May 12, 2025 (Monday) to May 18, 2025 (Sunday)

← Week 19 Week 20 of 2025 Week 21 →
ISO Week Number
Week 20
2025 · Week 20 of 52 total weeks

What dates are in Week 20 of 2025?

Week 20 of 2025 runs from May 12, 2025 (Monday) to May 18, 2025 (Sunday). This is the 20th week of the year according to the ISO 8601 standard, in which weeks start on Monday.

Mon
May 12
Day 132
Tue
May 13
Day 133
Wed
May 14
Day 134
Thu
May 15
Day 135
Fri
May 16
Day 136
Sat
May 17
Day 137
Sun
May 18
Day 138
Starts May 12, 2025 Monday · Day 132
Ends May 18, 2025 Sunday · Day 138
Duration 7 days 2025 · 52-week year

📅 Nearby weeks in 2025

Week 18Week 19Week 20Week 21Week 22

📋 All 52 weeks in 2025

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

📆 Week 20 in other years

Week 20 · 2024Week 20 · 2026

🔧 Related tools

Week Number Calculator Date to Week 2025 Full Calendar

❓ Related questions about Week 20 of 2025

What day of the week is May 12?

May 12 is a Monday. It is the first day of Week 20 of 2025.

What day of the week is May 18?

May 18 is a Sunday. It is the last day of Week 20 of 2025.

What is the ISO week number for May 12?

May 12 is in Week 20 of 2025 according to ISO 8601.

What is the ISO week number for May 18?

May 18 is in Week 20 of 2025 according to ISO 8601.

❓ Frequently asked questions about Week 20 of 2025

What dates are in Week 20 of 2025?

Week 20 of 2025 runs from May 12, 2025 to May 18, 2025.

Which day of the year does Week 20 start on?

Week 20 of 2025 starts on May 12, 2025, the 132th day of 2025.

Does Week 20 of 2025 fall entirely within 2025?

Yes, all 7 days of Week 20 of 2025 fall within 2025.

How many weeks are in 2025?

2025 has 52 weeks according to ISO 8601.