"Sun, 19 Jan 2025 11:27:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
11:27:20
General datetime
2025-01-19 11:27:20Z
For Database
2025-01-19 11:27:20
For HTTP1.1
Sun, 19 Jan 2025 11:27:20 GMT