CODEWITHSUNDEEP
javascriptmomentjs
pourmesomecode
pourmesomecode

Reputation: 4318

Formatting 0 in momentjs transforms to 1

https://codepen.io/anon/pen/ajMEyo?editors=0012

I pass in 0 like moment(0).format('HH:mm a') and this transforms to "01:00 am". I linked a codepen just incase.

The actual momentjs object looks like Moment {_isAMomentObject: true, _i: 0, _isUTC: false, _pf: {…}, _locale: Locale, …}

But when I try to format it, to display, it transforms it to 01:00 am. I'm passing in 0. As in, 0 seconds have elapsed therefore, i'm expecting 00:00:00 as the start of the day. But It's being transformed at some point and I don't see mention of this in the docs.

Upvotes: 0

Views: 70

Answers (2)

Bas van Dijk
Bas van Dijk

Reputation: 10703

This could have something to do with the timezone you are in. The 01:00 am makes it looks like you are in a timezone which UTC+1

With moment().utcOffset() you can determine your offset to UTC. Perhaps this is 1 hour. You can use moment().local() to get your times in local timezone.

Upvotes: 1

Igor
Igor

Reputation: 62213

See the Documentation of what you are actually calling

Unix Timestamp (milliseconds)

Similar to new Date(Number), you can create a moment by passing an integer value representing the number of milliseconds since the Unix Epoch (Jan 1 1970 12AM UTC).

moment(0).toString()

Output

Wed Dec 31 1969 19:00:00 GMT-0500

If you want the beginning of todays date you should use startOf

Start of Time

Mutates the original moment by setting it to the start of a unit of time.

moment().startOf('date').toString()

Output

Mon Aug 13 2018 00:00:00 GMT-0400

Upvotes: 0

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