"Sun, 17 Mar 2024 18:42:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240317
Only TIME
18:42:01
General datetime
2024-03-17 18:42:01Z
For Database
2024-03-17 18:42:01
For HTTP1.1
Sun, 17 Mar 2024 18:42:01 GMT