"Thu, 19 Dec 2024 20:18:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
20:18:03
General datetime
2024-12-19 20:18:03Z
For Database
2024-12-19 20:18:03
For HTTP1.1
Thu, 19 Dec 2024 20:18:03 GMT