"Wed, 15 Jan 2025 08:21:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250115
Only TIME
08:21:00
General datetime
2025-01-15 08:21:00Z
For Database
2025-01-15 08:21:00
For HTTP1.1
Wed, 15 Jan 2025 08:21:00 GMT