"Sun, 08 Dec 2024 13:40:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
13:40:57
General datetime
2024-12-08 13:40:57Z
For Database
2024-12-08 13:40:57
For HTTP1.1
Sun, 08 Dec 2024 13:40:57 GMT