"Sat, 27 Jul 2024 21:56:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
21:56:30
General datetime
2024-07-27 21:56:30Z
For Database
2024-07-27 21:56:30
For HTTP1.1
Sat, 27 Jul 2024 21:56:30 GMT