"Wed, 01 Jan 2025 21:35:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250101
Only TIME
21:35:15
General datetime
2025-01-01 21:35:15Z
For Database
2025-01-01 21:35:15
For HTTP1.1
Wed, 01 Jan 2025 21:35:15 GMT