Time arithmetic problem

[suporteavancado]

luatz = require "luatz"
x = luatz.parse.rfc_3339("2017-02-13T00:00:00.000")
x.min = x.min - 14400
x:normalise()
print(x)
2017-02-22T23:60:00.000

[daurnimator]

Thanks for the report!

I'm surprised this wasn't found earlier.... seems like a silly mistake in hindsight