"Wed, 11 Dec 2024 13:18:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241211
Only TIME
13:18:51
General datetime
2024-12-11 13:18:51Z
For Database
2024-12-11 13:18:51
For HTTP1.1
Wed, 11 Dec 2024 13:18:51 GMT