"Sun, 01 Sep 2024 20:30:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240901
Only TIME
20:30:55
General datetime
2024-09-01 20:30:55Z
For Database
2024-09-01 20:30:55
For HTTP1.1
Sun, 01 Sep 2024 20:30:55 GMT