"Sat, 20 Jul 2024 16:12:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
16:12:33
General datetime
2024-07-20 16:12:33Z
For Database
2024-07-20 16:12:33
For HTTP1.1
Sat, 20 Jul 2024 16:12:33 GMT