"Mon, 16 Sep 2024 19:38:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
19:38:17
General datetime
2024-09-16 19:38:17Z
For Database
2024-09-16 19:38:17
For HTTP1.1
Mon, 16 Sep 2024 19:38:17 GMT