(require 'posix-time)

— Data Type: **Coordinated Universal Time**

(abbreviated UTC) is a vector of integers representing time:

- seconds (0 - 61)
- minutes (0 - 59)
- hours since midnight (0 - 23)
- day of month (1 - 31)
- month (0 - 11). Note difference from
`decode-universal-time`

.- the number of years since 1900. Note difference from
`decode-universal-time`

.- day of week (0 - 6)
- day of year (0 - 365)
- 1 for daylight savings, 0 for regular time

— Function: **localtime**` caltime`

converts the calendar time

caltimeto a vector of integers expressed relative to the user's time zone.`localtime`

sets the variable*timezone*with the difference between Coordinated Universal Time (UTC) and local standard time in seconds (see tzset).

— Function: **gmktime**` univtime`

Converts a vector of integers in GMT Coordinated Universal Time (UTC) format to a calendar time.

— Function: **mktime**` univtime`

Converts a vector of integers in local Coordinated Universal Time (UTC) format to a calendar time.

— Function: **mktime**` univtime tz`

Converts a vector of integers in Coordinated Universal Time (UTC) format (relative to time-zone

tz) to calendar time.