"Sat, 27 Jul 2024 17:15:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
17:15:12
General datetime
2024-07-27 17:15:12Z
For Database
2024-07-27 17:15:12
For HTTP1.1
Sat, 27 Jul 2024 17:15:12 GMT