A time unit typically referring to a calendar month (28–31 days), historically based on the lunar cycle (synodic month ≈ 29.53 days). Though not a precise scientific unit, it is widely used in calendars, financial accounting (monthly statements), and healthcare (pregnancy duration). In China, statutory holidays, salary payments, and social routines are organized on a monthly basis.
A time unit typically referring to a calendar month (28–31 days), historically based on the lunar cycle (synodic month ≈ 29.53 days). Though not a precise scientific unit, it is widely used in calendars, financial accounting (monthly statements), and healthcare (pregnancy duration). In China, statutory holidays, salary payments, and social routines are organized on a monthly basis.
| month [month] | second [s] |
|---|---|
| 1 month | 2629800 s |
| 2 month | 5259600 s |
| 3 month | 7889400 s |
| 4 month | 10519200 s |
| 5 month | 13149000 s |
| 10 month | 26298000 s |
| 20 month | 52596000 s |
| 30 month | 78894000 s |
| month [month] | second [s] |
|---|---|
| 40 month | 105192000 s |
| 50 month | 131490000 s |
| 100 month | 262980000 s |
| 200 month | 525960000 s |
| 300 month | 788940000 s |
| 400 month | 1051920000 s |
| 500 month | 1314900000 s |
| 1000 month | 2629800000 s |