"Sat, 28 Dec 2024 21:18:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241228
Only TIME
21:18:23
General datetime
2024-12-28 21:18:23Z
For Database
2024-12-28 21:18:23
For HTTP1.1
Sat, 28 Dec 2024 21:18:23 GMT