Time.is

Time.is gives you extremely accurate time for any time zone.

Features:

- Synchronization to atomic clock time with an accuracy down to ±5 milliseconds

- Instant time conversion/meeting planner/world clock with 7 million locations

- Always up-to-date time zone database, automatically adjusted when time zone rules are changed

- 44 languages

- Sunrise time, sunset time and day length

- Beautiful calendar with interval calculation

- Word clock

- Dark/light mode

- Several time and date formats (seconds on/off, 12/24 hour mode)

- Intuitive, gesture driven interface

- Elegant, minimalistic design

- Designed to take advantage of large iPad screens

- Looks great in both portrait and landscape format

- Small file size

- Works offline (except synchronization and search)

- No ads

This app synchronizes to the web site Time.is, which is a favorite among clock collectors and time enthusiasts. Time.is was nominated for the Webby Awards in 2012 (Best Visual Design - Function), and has been featured by Mashable, Lifehacker and Hackernews.