"Sun, 08 Dec 2024 09:37:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
09:37:21
General datetime
2024-12-08 09:37:21Z
For Database
2024-12-08 09:37:21
For HTTP1.1
Sun, 08 Dec 2024 09:37:21 GMT