"Sun, 04 Aug 2024 18:20:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240804
Only TIME
18:20:36
General datetime
2024-08-04 18:20:36Z
For Database
2024-08-04 18:20:36
For HTTP1.1
Sun, 04 Aug 2024 18:20:36 GMT