"Mon, 13 May 2024 22:17:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240513
Only TIME
22:17:11
General datetime
2024-05-13 22:17:11Z
For Database
2024-05-13 22:17:11
For HTTP1.1
Mon, 13 May 2024 22:17:11 GMT