"Sun, 28 Jul 2024 18:21:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240728
Only TIME
18:21:38
General datetime
2024-07-28 18:21:38Z
For Database
2024-07-28 18:21:38
For HTTP1.1
Sun, 28 Jul 2024 18:21:38 GMT