"Mon, 21 Oct 2024 05:38:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
05:38:11
General datetime
2024-10-21 05:38:11Z
For Database
2024-10-21 05:38:11
For HTTP1.1
Mon, 21 Oct 2024 05:38:11 GMT