"Mon, 16 Sep 2024 14:51:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
14:51:19
General datetime
2024-09-16 14:51:19Z
For Database
2024-09-16 14:51:19
For HTTP1.1
Mon, 16 Sep 2024 14:51:19 GMT