Week 4 of 2023

January 23, 2023 (Monday) to January 29, 2023 (Sunday)

← Week 3 Week 4 of 2023 Week 5 →
ISO Week Number
Week 4
2023 · Week 4 of 52 total weeks

What dates are in Week 4 of 2023?

Week 4 of 2023 runs from January 23, 2023 (Monday) to January 29, 2023 (Sunday). This is the 4th week of the year according to the ISO 8601 standard, in which weeks start on Monday.

Mon
Jan 23
Day 23
Tue
Jan 24
Day 24
Wed
Jan 25
Day 25
Thu
Jan 26
Day 26
Fri
Jan 27
Day 27
Sat
Jan 28
Day 28
Sun
Jan 29
Day 29
Starts January 23, 2023 Monday · Day 23
Ends January 29, 2023 Sunday · Day 29
Duration 7 days 2023 · 52-week year

📅 Nearby weeks in 2023

Week 2Week 3Week 4Week 5Week 6

📋 All 52 weeks in 2023

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

📆 Week 4 in other years

Week 4 · 2022Week 4 · 2024

🔧 Related tools

Week Number Calculator Date to Week 2023 Full Calendar

❓ Related questions about Week 4 of 2023

What day of the week is Jan 23?

Jan 23 is a Monday. It is the first day of Week 4 of 2023.

What day of the week is Jan 29?

Jan 29 is a Sunday. It is the last day of Week 4 of 2023.

What is the ISO week number for Jan 23?

Jan 23 is in Week 4 of 2023 according to ISO 8601.

What is the ISO week number for Jan 29?

Jan 29 is in Week 4 of 2023 according to ISO 8601.

❓ Frequently asked questions about Week 4 of 2023

What dates are in Week 4 of 2023?

Week 4 of 2023 runs from January 23, 2023 to January 29, 2023.

Which day of the year does Week 4 start on?

Week 4 of 2023 starts on January 23, 2023, the 23th day of 2023.

Does Week 4 of 2023 fall entirely within 2023?

Yes, all 7 days of Week 4 of 2023 fall within 2023.

How many weeks are in 2023?

2023 has 52 weeks according to ISO 8601.