Hour

Overview

This is the fraction of time passed in the current hour.

Info

This calculation is based on local time.

Accuracy

This calculation is perfectly accurate to the millisecond.

Source

This is a simple calculation with no source.

Calculation

This clock can be calculated by getting the minute fraction, adding that to the current minute, and dividing the total by 60.

const secondFraction = currentDateTime.getUTCMilliseconds() / 1000;
const minuteFraction = (currentDateTime.getUTCSeconds() +
                        secondFraction) / 60;
const hourFraction = (currentDateTime.getUTCMinutes() +
                        minuteFraction)/60;