"Mon, 21 Oct 2024 14:48:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
14:48:49
General datetime
2024-10-21 14:48:49Z
For Database
2024-10-21 14:48:49
For HTTP1.1
Mon, 21 Oct 2024 14:48:49 GMT