"Sat, 27 Jul 2024 09:35:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
09:35:15
General datetime
2024-07-27 09:35:15Z
For Database
2024-07-27 09:35:15
For HTTP1.1
Sat, 27 Jul 2024 09:35:15 GMT