Pick any month and year — get the exact number of weeks, weekends, and a complete weekday breakdown. Simple, fast, and USA‑friendly.
🔎 Also shows weekdays & weekend days for that month.
* Decimal weeks = total days ÷ 7. Weekdays are Monday–Friday. Based on Gregorian calendar.
January 2025 has 31 days, which equals 4.43 weeks (7‑day periods). It contains 5 Saturdays and 5 Sundays — that's 10 weekend days. See FAQ ↓ for average weeks per month.
📅 Month info (external) →Most months have 8 or 9 weekend days (Saturdays + Sundays). In January 2025 there are 10 weekend days. The exact number depends on the month length and starting weekday. Check breakdown ↑
🌐 Year weekends (internal) →Average month: There are about 4.345 weeks per month on average (365/7/12). But each month varies: February has 4 weeks (or 4.14 in leap years), while 31‑day months have 4.43 weeks.
✅ Keywords we cover: how many weeks in a month, weeks per month, how many weekends in a month, average weeks in a month, calendar weeks month, weeks in each month.
📆 Visit main year calculator (internal) →🇺🇸 USA audience: Week starts on Sunday? Our tool counts Saturday & Sunday as weekends, and weekdays Monday‑Friday — exactly as used in the US.
Popular internal pages:
On average, a month has 4.345 weeks (365/7 ÷ 12 = 4.345). For a 31‑day month (like January) it's 4.43 weeks; for February (28 days) it's exactly 4 weeks.
Most months have either 8 or 9 weekend days (Saturdays + Sundays). Some months (like 31‑day months that start on a Saturday) can have 10 weekend days. Use the calculator above for exact numbers.
A 31‑day month that starts on a Friday, Saturday, or Sunday will have five of each of three consecutive weekdays. For example, January 2025 starts on Wednesday, so it has 5 Wednesdays? Actually January 2025: 5 Wed, 5 Thu, 5 Fri? Wait, you can check with our breakdown. But generally, a month has 5 of any weekday if it has 31 days and starts on that weekday or the two previous ones.
Pregnancy is often counted in lunar months (4 weeks each). So a full‑term pregnancy is about 10 lunar months (40 weeks). That's different from calendar months.
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