"Sat, 20 Jul 2024 22:15:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
22:15:55
General datetime
2024-07-20 22:15:55Z
For Database
2024-07-20 22:15:55
For HTTP1.1
Sat, 20 Jul 2024 22:15:55 GMT