UTCbeginnerDate.UTC(2024, 0, 15) // β 1705276800000
// month is 0-indexed
new Date(Date.UTC(2024, 0, 15)).toISOString() // β '2024-01-15T00:00:00.000Z'Use Date.UTC() to compute the millisecond timestamp for a UTC date without constructing a Date object first.
Date.UTC(2024, 0, 15) returns a large positive number (ms since epoch for Jan 15, 2024 UTC).
Challenge: Verify that Date.UTC(2024, 0, 15) > 0.