"Mon, 21 Oct 2024 21:20:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
21:20:37
General datetime
2024-10-21 21:20:37Z
For Database
2024-10-21 21:20:37
For HTTP1.1
Mon, 21 Oct 2024 21:20:37 GMT