"Sat, 21 Dec 2024 01:17:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241221
Only TIME
01:17:23
General datetime
2024-12-21 01:17:23Z
For Database
2024-12-21 01:17:23
For HTTP1.1
Sat, 21 Dec 2024 01:17:23 GMT