"Sun, 08 Dec 2024 11:15:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
11:15:55
General datetime
2024-12-08 11:15:55Z
For Database
2024-12-08 11:15:55
For HTTP1.1
Sun, 08 Dec 2024 11:15:55 GMT