"Sun, 21 Jul 2024 18:22:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
18:22:32
General datetime
2024-07-21 18:22:32Z
For Database
2024-07-21 18:22:32
For HTTP1.1
Sun, 21 Jul 2024 18:22:32 GMT