"Wed, 01 Jan 2025 12:15:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250101
Only TIME
12:15:02
General datetime
2025-01-01 12:15:02Z
For Database
2025-01-01 12:15:02
For HTTP1.1
Wed, 01 Jan 2025 12:15:02 GMT