"Sat, 27 Jul 2024 13:47:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
13:47:16
General datetime
2024-07-27 13:47:16Z
For Database
2024-07-27 13:47:16
For HTTP1.1
Sat, 27 Jul 2024 13:47:16 GMT