"Mon, 01 Jul 2024 21:40:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240701
Only TIME
21:40:12
General datetime
2024-07-01 21:40:12Z
For Database
2024-07-01 21:40:12
For HTTP1.1
Mon, 01 Jul 2024 21:40:12 GMT