"Sat, 20 Jul 2024 05:03:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
05:03:45
General datetime
2024-07-20 05:03:45Z
For Database
2024-07-20 05:03:45
For HTTP1.1
Sat, 20 Jul 2024 05:03:45 GMT