"Sat, 18 Jan 2025 23:17:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
23:17:33
General datetime
2025-01-18 23:17:33Z
For Database
2025-01-18 23:17:33
For HTTP1.1
Sat, 18 Jan 2025 23:17:33 GMT