"Sun, 29 Sep 2024 13:48:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
13:48:15
General datetime
2024-09-29 13:48:15Z
For Database
2024-09-29 13:48:15
For HTTP1.1
Sun, 29 Sep 2024 13:48:15 GMT