"Sat, 18 Jan 2025 14:53:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
14:53:42
General datetime
2025-01-18 14:53:42Z
For Database
2025-01-18 14:53:42
For HTTP1.1
Sat, 18 Jan 2025 14:53:42 GMT