"Mon, 21 Oct 2024 03:42:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
03:42:34
General datetime
2024-10-21 03:42:34Z
For Database
2024-10-21 03:42:34
For HTTP1.1
Mon, 21 Oct 2024 03:42:34 GMT