"Sat, 20 Jul 2024 19:34:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
19:34:40
General datetime
2024-07-20 19:34:40Z
For Database
2024-07-20 19:34:40
For HTTP1.1
Sat, 20 Jul 2024 19:34:40 GMT