"Mon, 20 May 2024 08:36:29"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240520
Only TIME
08:36:29
General datetime
2024-05-20 08:36:29Z
For Database
2024-05-20 08:36:29
For HTTP1.1
Mon, 20 May 2024 08:36:29 GMT