World clock & time zone apps
From the makers of World Clock Master: native time tools for iPhone, iPad, Vision Pro, and Mac, plus a precision UTC clock for aviation, military, and HAM radio.
iPhone · iPad · Vision Pro
World Clock Master
★★★★★4.7
The flagship world clock and time zone converter: a 24-hour dial, meeting scheduler, home-screen widgets, and 158k+ locations, kept in sync across your Apple devices with iCloud.
macOS
World Clock Pro
★★★★★4.3
An interactive world clock app for your Mac. 3x Apple Editor's Choice. Convert time across 160,000+ locations and time zones, schedule meetings. Access as a full screen app or a menu bar widget.
iPhone & iPad
Zulu Time
★★★★★4.8
Precision UTC for pilots, military, and HAM radio: NTP-synced atomic accuracy, NATO time-zone letters, and an interactive world map.