"Mon, 16 Sep 2024 15:38:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
15:38:20
General datetime
2024-09-16 15:38:20Z
For Database
2024-09-16 15:38:20
For HTTP1.1
Mon, 16 Sep 2024 15:38:20 GMT