"Sat, 20 Jul 2024 17:26:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
17:26:50
General datetime
2024-07-20 17:26:50Z
For Database
2024-07-20 17:26:50
For HTTP1.1
Sat, 20 Jul 2024 17:26:50 GMT