"Thu, 19 Dec 2024 17:36:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
17:36:20
General datetime
2024-12-19 17:36:20Z
For Database
2024-12-19 17:36:20
For HTTP1.1
Thu, 19 Dec 2024 17:36:20 GMT