"Mon, 29 Jul 2024 21:56:29"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240729
Only TIME
21:56:29
General datetime
2024-07-29 21:56:29Z
For Database
2024-07-29 21:56:29
For HTTP1.1
Mon, 29 Jul 2024 21:56:29 GMT