"Sat, 24 Feb 2024 06:23:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240224
Only TIME
06:23:45
General datetime
2024-02-24 06:23:45Z
For Database
2024-02-24 06:23:45
For HTTP1.1
Sat, 24 Feb 2024 06:23:45 GMT