"Sat, 20 Jul 2024 04:45:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
04:45:48
General datetime
2024-07-20 04:45:48Z
For Database
2024-07-20 04:45:48
For HTTP1.1
Sat, 20 Jul 2024 04:45:48 GMT