"Sat, 20 Jul 2024 20:56:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
20:56:18
General datetime
2024-07-20 20:56:18Z
For Database
2024-07-20 20:56:18
For HTTP1.1
Sat, 20 Jul 2024 20:56:18 GMT