Track every city
Keep your people, offices, and destinations together in one clear world clock. Dates and day/night cues make every time easy to read.
World clock / timezone converter
Every city.
One moment.
Retro makes global time feel obvious. Track the cities that matter, shift the clock forward or back, and see everyone’s local time instantly—no mental math required.
Free · No account · No ads · No tracking
Toronto--:-----
London--:-----
Delhi--:-----
Tokyo--:-----
System time module
V.2.1.0
01 / Built for real life
Time zones shouldn’t take brainpower.
Shift the moment
Swipe Temporal Shift forward or backward. Every city updates together, so “tomorrow at three” finally means the same thing to everyone.
Compare instantly
Calculate the exact difference between two cities without searching, counting, or second-guessing daylight saving time.
02 / The zero-math workflow
Swipe.
See.
Sorted.
Planning a call, catching a flight, or checking whether someone’s awake? Pick the moment once and Retro translates it everywhere.
Example / Live local times
TorontoAMERICA/TORONTO · ---
--:--LondonEUROPE/LONDON · ---
--:--DelhiASIA/KOLKATA · ---
--:--
−12h
+12h
03 / Inside Retro
Built to be
glanced at.
Bold type. High contrast. Zero decoration pretending to be information.
Swipe to explore →
04 / Word on the street
★★★★★
“Tracking different timezones is super easy. The UI is really clean and trendy.”
05 / FAQ
The fine print, in big type.
What is Retro – Easy Timezones?+
Retro is a free world clock and time zone converter for keeping multiple cities in view. It is designed for remote teams, travellers, international families, and anyone tired of counting hours on their fingers.
What does Temporal Shift do?+
Temporal Shift moves time forward or backward across every saved city at once. Swipe to a future or past moment, then read the matching local time everywhere.
Is the app available for iPhone and Android?+
Yes. Download Retro free from the Apple App Store for iPhone or from Google Play for Android devices.
Does Retro collect my data?+
No. Retro does not collect personal information, use analytics or advertising services, or track you across other apps and websites. Read the plain-English privacy policy.