"Wed, 15 Jan 2025 21:35:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250115
Only TIME
21:35:01
General datetime
2025-01-15 21:35:01Z
For Database
2025-01-15 21:35:01
For HTTP1.1
Wed, 15 Jan 2025 21:35:01 GMT