Does anyone know of a good JSON time server?

Question

I need to obtain current time (from a credible source) using JSON. Precise time is mission-critical in my application so I cannot rely on the time of the device, even if it

Answer 1

As of Sept. 12th 2015 http://www.timeapi.org/utc/now.json seems to be working.

{"dateString":"2015-09-12T23:15:56+01:00"}

More information here http://www.timeapi.org. It's hosted on Heroku and the source is on Github.