code/procs/datetime.dm
| /proc/fromIso8601 | Convert ISO 8601 to BYOND time format |
|---|---|
| /proc/isLeapYear | returns true if the year is divisible by 4, except for years that are divisible by 100. However, years that are divisible by 400 are also leap years. |
| /proc/toIso8601 | Convert BYOND time format to ISO 8601 |
| /proc/addTime | Add time to a given BYOND time format |
| /proc/subtractTime | Subtract time from a given BYOND time format |