After two days of researching and experiment, I was finally able to make a time range field here.

However, now my client wants the end value to be optional. I saw this article that uses a field type to make the value optional, but I would prefer to just use my widget. Would this be possible?


  • Not currently possible with the standard field. There is an issue to potentially add this feature once some more pressing issues get ironed out.
    – mpdonadio
    Commented Feb 5, 2017 at 3:08


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