"Sat, 14 Dec 2024 21:17:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
21:17:59
General datetime
2024-12-14 21:17:59Z
For Database
2024-12-14 21:17:59
For HTTP1.1
Sat, 14 Dec 2024 21:17:59 GMT