"Sun, 04 Aug 2024 22:15:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240804
Only TIME
22:15:21
General datetime
2024-08-04 22:15:21Z
For Database
2024-08-04 22:15:21
For HTTP1.1
Sun, 04 Aug 2024 22:15:21 GMT