"Sat, 08 Feb 2025 18:43:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250208
Only TIME
18:43:45
General datetime
2025-02-08 18:43:45Z
For Database
2025-02-08 18:43:45
For HTTP1.1
Sat, 08 Feb 2025 18:43:45 GMT