"Sat, 18 Jan 2025 20:59:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
20:59:06
General datetime
2025-01-18 20:59:06Z
For Database
2025-01-18 20:59:06
For HTTP1.1
Sat, 18 Jan 2025 20:59:06 GMT