"Mon, 21 Oct 2024 13:42:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
13:42:19
General datetime
2024-10-21 13:42:19Z
For Database
2024-10-21 13:42:19
For HTTP1.1
Mon, 21 Oct 2024 13:42:19 GMT