"Thu, 19 Dec 2024 15:35:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
15:35:40
General datetime
2024-12-19 15:35:40Z
For Database
2024-12-19 15:35:40
For HTTP1.1
Thu, 19 Dec 2024 15:35:40 GMT