"Sun, 21 Jul 2024 13:53:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
13:53:16
General datetime
2024-07-21 13:53:16Z
For Database
2024-07-21 13:53:16
For HTTP1.1
Sun, 21 Jul 2024 13:53:16 GMT