"Wed, 12 Feb 2025 15:27:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250212
Only TIME
15:27:15
General datetime
2025-02-12 15:27:15Z
For Database
2025-02-12 15:27:15
For HTTP1.1
Wed, 12 Feb 2025 15:27:15 GMT