"Thu, 12 Dec 2024 18:42:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241212
Only TIME
18:42:21
General datetime
2024-12-12 18:42:21Z
For Database
2024-12-12 18:42:21
For HTTP1.1
Thu, 12 Dec 2024 18:42:21 GMT