"Mon, 21 Oct 2024 23:38:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
23:38:02
General datetime
2024-10-21 23:38:02Z
For Database
2024-10-21 23:38:02
For HTTP1.1
Mon, 21 Oct 2024 23:38:02 GMT