"Sat, 27 Jul 2024 14:48:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
14:48:55
General datetime
2024-07-27 14:48:55Z
For Database
2024-07-27 14:48:55
For HTTP1.1
Sat, 27 Jul 2024 14:48:55 GMT