Now looking at the examples, the answer for "now in zone Lisbon" gives
2015-07-13T13:31:47.968+01:00[Europe/Lisbon]
Why not just "today, 14:31:47, Lisbon"? If I enter the expression I don't actually like receiving the expression as the answer. Also, the whole "expression" of the translation of the question is displayed, when most probably the user doesn't need it every time, and then it's initially confusing.