"Sun, 21 Jul 2024 20:21:07"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
20:21:07
General datetime
2024-07-21 20:21:07Z
For Database
2024-07-21 20:21:07
For HTTP1.1
Sun, 21 Jul 2024 20:21:07 GMT