"Sat, 18 Jan 2025 12:26:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
12:26:17
General datetime
2025-01-18 12:26:17Z
For Database
2025-01-18 12:26:17
For HTTP1.1
Sat, 18 Jan 2025 12:26:17 GMT