"Mon, 01 Jul 2024 14:40:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240701
Only TIME
14:40:14
General datetime
2024-07-01 14:40:14Z
For Database
2024-07-01 14:40:14
For HTTP1.1
Mon, 01 Jul 2024 14:40:14 GMT