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