"Mon, 16 Sep 2024 14:38:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
14:38:15
General datetime
2024-09-16 14:38:15Z
For Database
2024-09-16 14:38:15
For HTTP1.1
Mon, 16 Sep 2024 14:38:15 GMT