"Sun, 19 Jan 2025 05:39:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
05:39:20
General datetime
2025-01-19 05:39:20Z
For Database
2025-01-19 05:39:20
For HTTP1.1
Sun, 19 Jan 2025 05:39:20 GMT