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Clock-Tani
9 free online time tools — clock, timer, alarm, pomodoro
Clock-Tani is a free online suite of 9 time management tools in a single PWA: World Clock (70+ cities), Timer, Stopwatch, Pomodoro, Interval Timer (Tabata/HIIT), Multi-Timer, Alarm, Server Time sync for ticketing, and D-Day Counter with Korean lunar calendar. No install, no signup. Works in any browser, dark mode, Korean & English.
Hey hunters!
I'm Tani, an indie maker. I built Clock-Tani because I was tired of bouncing between different sites every time I needed a pomodoro timer, world clock, or countdown.
Clock-Tani brings 9 time tools into one PWA:
🕐 World Clock (70+ cities, drag-to-reorder)
⏱️ Timer / Pomodoro / Interval (Tabata, HIIT) / Multi-Timer
⏰ Stopwatch with lap times
🔔 Alarm Clock with 15 sounds
🌐 Server Time (NTP) - useful for ticketing precision
📅 D-Day Counter (with Korean lunar calendar support)
Built with Next.js 16, React 19, TypeScript, and PWA. Free forever, no signup, no ads in core features. Works on any browser, installable as a PWA, dark mode, bilingual (EN/KO).
I'd love your feedback - especially from fellow indie makers and folks juggling many small tools every day. What's missing? What would make this more useful for you?
Thanks for hunting!
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About Clock-Tani on Product Hunt
“9 free online time tools — clock, timer, alarm, pomodoro”
Clock-Tani was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #116 on the daily leaderboard. Clock-Tani is a free online suite of 9 time management tools in a single PWA: World Clock (70+ cities), Timer, Stopwatch, Pomodoro, Interval Timer (Tabata/HIIT), Multi-Timer, Alarm, Server Time sync for ticketing, and D-Day Counter with Korean lunar calendar. No install, no signup. Works in any browser, dark mode, Korean & English.
Clock-Tani was featured in Productivity (651.7k followers) and GitHub (41.2k followers) on Product Hunt. Together, these topics include over 153.7k products, making this a competitive space to launch in.
Who hunted Clock-Tani?
Clock-Tani was hunted by tani. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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