"Sat, 27 Jul 2024 19:56:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
19:56:23
General datetime
2024-07-27 19:56:23Z
For Database
2024-07-27 19:56:23
For HTTP1.1
Sat, 27 Jul 2024 19:56:23 GMT