Unix Timestamps Explained: How to Convert Epoch Time to a Date
The number that means nothing at a glance 1735689600 is a perfectly valid date. So is 1735689600000. They are a second apart in meaning and a thousand times apart in magnitude, and telling them apart by eye is the first thing that trips people up. Both are Unix timestamps: the count of time since 1970-01-01T00:00:00Z, known as the epoch. Databases store them, APIs return them, logs are full of them — and humans cannot read them. ...