"Sat, 18 Jan 2025 11:18:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
11:18:39
General datetime
2025-01-18 11:18:39Z
For Database
2025-01-18 11:18:39
For HTTP1.1
Sat, 18 Jan 2025 11:18:39 GMT