# Seconds in an Hour > Number of seconds in an hour.
## Usage ```javascript var SECONDS_IN_HOUR = require( '@stdlib/constants/time/seconds-in-hour' ); ``` #### SECONDS_IN_HOUR Number of seconds in an hour. ```javascript var bool = ( SECONDS_IN_HOUR === 3600 ); // returns true ```
## Notes - The value is a generalization and does **not** take into account inaccuracies due to daylight savings conventions, crossing timezones, or other complications with time and dates.
## Examples ```javascript var randu = require( '@stdlib/random/base/randu' ); var roundn = require( '@stdlib/math/base/special/roundn' ); var SECONDS_IN_HOUR = require( '@stdlib/constants/time/seconds-in-hour' ); var secs; var hrs; var i; function hrs2secs( hrs ) { return hrs * SECONDS_IN_HOUR; } for ( i = 0; i < 10; i++ ) { hrs = roundn( randu()*20.0, -2 ); secs = hrs2secs( hrs ); console.log( '%d hours => %d seconds', hrs, secs ); } ```