"Mon, 12 Aug 2024 04:39:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
04:39:21
General datetime
2024-08-12 04:39:21Z
For Database
2024-08-12 04:39:21
For HTTP1.1
Mon, 12 Aug 2024 04:39:21 GMT