"Sun, 13 Oct 2024 05:15:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
05:15:01
General datetime
2024-10-13 05:15:01Z
For Database
2024-10-13 05:15:01
For HTTP1.1
Sun, 13 Oct 2024 05:15:01 GMT