"Sat, 25 Jan 2025 20:22:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
20:22:02
General datetime
2025-01-25 20:22:02Z
For Database
2025-01-25 20:22:02
For HTTP1.1
Sat, 25 Jan 2025 20:22:02 GMT