"Thu, 19 Dec 2024 18:59:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
18:59:20
General datetime
2024-12-19 18:59:20Z
For Database
2024-12-19 18:59:20
For HTTP1.1
Thu, 19 Dec 2024 18:59:20 GMT