"Thu, 12 Dec 2024 15:35:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241212
Only TIME
15:35:16
General datetime
2024-12-12 15:35:16Z
For Database
2024-12-12 15:35:16
For HTTP1.1
Thu, 12 Dec 2024 15:35:16 GMT