"Thu, 19 Dec 2024 09:40:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
09:40:03
General datetime
2024-12-19 09:40:03Z
For Database
2024-12-19 09:40:03
For HTTP1.1
Thu, 19 Dec 2024 09:40:03 GMT