"Sat, 20 Jul 2024 18:03:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
18:03:44
General datetime
2024-07-20 18:03:44Z
For Database
2024-07-20 18:03:44
For HTTP1.1
Sat, 20 Jul 2024 18:03:44 GMT