"Sat, 27 Jul 2024 23:45:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
23:45:19
General datetime
2024-07-27 23:45:19Z
For Database
2024-07-27 23:45:19
For HTTP1.1
Sat, 27 Jul 2024 23:45:19 GMT