"Sat, 20 Jul 2024 18:55:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
18:55:02
General datetime
2024-07-20 18:55:02Z
For Database
2024-07-20 18:55:02
For HTTP1.1
Sat, 20 Jul 2024 18:55:02 GMT