"Sun, 07 Jul 2024 13:39:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240707
Only TIME
13:39:15
General datetime
2024-07-07 13:39:15Z
For Database
2024-07-07 13:39:15
For HTTP1.1
Sun, 07 Jul 2024 13:39:15 GMT