"Mon, 16 Sep 2024 04:40:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
04:40:12
General datetime
2024-09-16 04:40:12Z
For Database
2024-09-16 04:40:12
For HTTP1.1
Mon, 16 Sep 2024 04:40:12 GMT