"Sat, 20 Jul 2024 17:18:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
17:18:38
General datetime
2024-07-20 17:18:38Z
For Database
2024-07-20 17:18:38
For HTTP1.1
Sat, 20 Jul 2024 17:18:38 GMT