"Wed, 01 Jan 2025 09:21:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250101
Only TIME
09:21:01
General datetime
2025-01-01 09:21:01Z
For Database
2025-01-01 09:21:01
For HTTP1.1
Wed, 01 Jan 2025 09:21:01 GMT