"Sun, 04 Aug 2024 18:38:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240804
Only TIME
18:38:18
General datetime
2024-08-04 18:38:18Z
For Database
2024-08-04 18:38:18
For HTTP1.1
Sun, 04 Aug 2024 18:38:18 GMT