tm

From cppreference.com
< c | chrono

Structure holding a calendar date and time broken down into its components.

[edit] Member objects

int tm_sec
seconds after the minute – [0, 60][note 1]
(public member object)
int tm_min
minutes after the hour – [0, 59]
(public member object)
int tm_hour
hours since midnight – [0, 23]
(public member object)
int tm_mday
day of the month – [1, 31]
(public member object)
int tm_mon
months since January – [0, 11]
(public member object)
int tm_year
years since 1900
(public member object)
int tm_wday
days since Sunday – [0, 6]
(public member object)
int tm_yday
days since January 1 – [0, 365]
(public member object)
int tm_isdst
Daylight Saving Time flag. The value is positive if DST is in effect, zero if not and negative if no information is available
(public member object)
[edit] Notes
  1. Range allows for a positive leap second.

[edit] See also

converts time since epoch to calendar time expressed as local time
(function)
converts time since epoch to calendar time expressed as Universal Coordinated Time
(function)