"Sun, 21 Jul 2024 23:43:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
23:43:32
General datetime
2024-07-21 23:43:32Z
For Database
2024-07-21 23:43:32
For HTTP1.1
Sun, 21 Jul 2024 23:43:32 GMT