"Sat, 28 Dec 2024 09:39:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241228
Only TIME
09:39:15
General datetime
2024-12-28 09:39:15Z
For Database
2024-12-28 09:39:15
For HTTP1.1
Sat, 28 Dec 2024 09:39:15 GMT