A month has 720 hours if it has 30 days and 744 hours if it has 31; February has 672 (696 in a leap year). The average month is 730.485 hours. A full-time job averages 173.33 working hours a month.
730.485 hours
1 month = 730.485 hours
| Unit | Amount |
|---|---|
| Milliseconds | 2,629,746,000 |
| Seconds | 2,629,746 |
| Minutes | 43,829.1 |
| Hours | 730.485 |
| Days | 30.4369 |
| Weeks | 4.3481 |
| Years | 0.0833 |
| Decades | 0.0083 |
| Centuries | 0.0008333 |
A month is 30.436875 days on average (a year ÷ 12). Calendar months have 28 to 31 days.
How it’s calculated
Every unit is converted through seconds: 1 minute = 60 s, 1 hour = 3,600 s, 1 day = 86,400 s, 1 week = 604,800 s. Months and years use the Gregorian average: 1 year = 365.2425 days = 31,556,952 s, 1 month = 1/12 year = 2,629,746 s.
Worked example with your numbers
- 1 month × 2,629,746 seconds per month = 2,629,746 seconds.
- 2,629,746 seconds ÷ 3,600 seconds per hour = 730.485 hours.
Quick answer
A month has 720 hours if it has 30 days and 744 hours if it has 31; February has 672 (696 in a leap year).
- 30-day month
- 720 hours
- 31-day month
- 744 hours
- February
- 672 / 696 hours
- Work hours (40 h/week)
- 173.33 a month
| Month | Days | Weeks | Hours | Weekdays |
|---|---|---|---|---|
| January | 31 | 4 weeks + 3 days | 744 | 22 |
| February | 28 | 4 weeks + 0 days | 672 | 20 |
| March | 31 | 4 weeks + 3 days | 744 | 22 |
| April | 30 | 4 weeks + 2 days | 720 | 22 |
| May | 31 | 4 weeks + 3 days | 744 | 21 |
| June | 30 | 4 weeks + 2 days | 720 | 22 |
| July | 31 | 4 weeks + 3 days | 744 | 23 |
| August | 31 | 4 weeks + 3 days | 744 | 21 |
| September | 30 | 4 weeks + 2 days | 720 | 22 |
| October | 31 | 4 weeks + 3 days | 744 | 22 |
| November | 30 | 4 weeks + 2 days | 720 | 21 |
| December | 31 | 4 weeks + 3 days | 744 | 23 |
Average month (365.2425 ÷ 12): 30.436875 days = 4.348 weeks = 730.485 hours. “Thirty days hath September, April, June and November; all the rest have thirty-one, except February” — 28 days, 29 in a leap year.
How it works
Working hours in a given month depend on its weekdays and holidays — the table lists the weekdays of each month this year.
Frequently asked questions
How many working hours are in a month?
173.33 on average (2,080 ÷ 12). A month with 23 weekdays has 184 hours at 8 hours a day; with 20 weekdays, 160.