"Sat, 20 Jul 2024 19:45:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
19:45:35
General datetime
2024-07-20 19:45:35Z
For Database
2024-07-20 19:45:35
For HTTP1.1
Sat, 20 Jul 2024 19:45:35 GMT