"Wed, 15 Jan 2025 21:55:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250115
Only TIME
21:55:55
General datetime
2025-01-15 21:55:55Z
For Database
2025-01-15 21:55:55
For HTTP1.1
Wed, 15 Jan 2025 21:55:55 GMT