Check if Current Time is Between Opening & Close Times with Angularjs

I’m trying to indicate if a business is open given the current time of day, an open time, and a close time. Here’s my time format.

$scope.open = "1970-01-01T13:00:00.000Z"; // We can ignore the dates
$scope.close = "1970-01-02T22:00:00.000Z"

Is there a simple & surefire way to determine this in Angularjs? Something like

<div ng-if="currentTime >= open && currentTime < close"></div>

I have found several moment libraries that could possibly handle this, but I feel like importing a whole library is overkill for a basic time comparison, and most of the javascript solutions I’ve come across don’t handle this time format.

Any input is appreciated!

Source: AngularJS

from Angular Questions https://angularquestions.com/2017/10/22/check-if-current-time-is-between-opening-close-times-with-angularjs/
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