"Mon, 20 May 2024 22:11:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240520
Only TIME
22:11:02
General datetime
2024-05-20 22:11:02Z
For Database
2024-05-20 22:11:02
For HTTP1.1
Mon, 20 May 2024 22:11:02 GMT