"Sat, 18 Jan 2025 17:43:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
17:43:08
General datetime
2025-01-18 17:43:08Z
For Database
2025-01-18 17:43:08
For HTTP1.1
Sat, 18 Jan 2025 17:43:08 GMT