"Sat, 20 Jul 2024 16:00:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
16:00:30
General datetime
2024-07-20 16:00:30Z
For Database
2024-07-20 16:00:30
For HTTP1.1
Sat, 20 Jul 2024 16:00:30 GMT