A COUNTDOWN CLOCK FOR WINDOWS

Count down to
your next start time.

Keep the time until your meeting or broadcast in view.
Use an NTP-referenced clock, place the app where you need it, and resize it to fit your desktop.

Windows 10 / 11 · x64 · Japanese / English

Microsoft Store · ¥980 in Japan · 7-day free trial
Check the Store for local pricing and trial availability.

PC time --:--:--

121234567891011

Meeting

00:15:00

Set time--:--:--

Windows desktop illustration with a live Web sample of the default skins. It uses your computer’s time; it is not a measurement of the product’s NTP accuracy.

Meeting

00:15:00

Set time--:--:--

15 minutes leftSame target as the timer above

Loading the live sample.

The sample target is 15 minutes after you open this page.

COUNTDOWN TO YOUR MOMENT

How long until
your meeting?

Set a start time and see how much time remains. Use it while preparing for a meeting, getting ready to broadcast, or reaching a work milestone. Give each timer a name that makes sense to you.

This display and the timer above share one target time.

Learn how to use the timer

EVERYDAY COUNTDOWN

Keep the time before you start in view.

Illustration of meeting preparation and a countdown, with Japanese labels
MEETING · ILLUSTRATION

Prepare for your meeting at your own pace.

Keep a countdown to the start time on screen. Glance at it while checking your documents and getting ready.

Illustration of broadcast preparation and a countdown, with Japanese labels
ON TIME · ILLUSTRATION

Make the countdown to going live easy to see.

Use full screen for a countdown to going live. While working, keep a smaller view on top or choose a transparent background.

The illustrations above contain Japanese labels and depict possible use. They are not screenshots of the English app.

CLOCK SKINS

Choose a clock that feels at home.

Explore clocks and colors

Choose designs and colors for the analog clock, digital clock, and timers to suit your desktop.

Studio render sample in the dark palette, with a Japanese label
Studio
Classic render sample in the dark palette, with a Japanese label
Classic
Station render sample in the dark palette, with a Japanese label
Station
Space render sample in the dark palette, with a Japanese label
Space
Shadow Dial render sample in the dark palette, with a Japanese label
Shadow Dial
Roman Arch render sample in the dark palette, with a Japanese label
Roman Arch
LED render sample in the dark palette, with a Japanese label
LED
Flip render sample in the dark palette, with a Japanese label
Flip
Flip II render sample in the dark palette, with a Japanese label
Flip II
Whitespace Typography render sample in the dark palette, with a Japanese label
Whitespace Typography

More clock designs are planned.

FIT YOUR DESKTOP

Fit it around the way you work.

See all features
01

Count down or count up

Count down to a target time, count down for a duration, or count up. Control up to three named timers individually.

02

Correct the app’s displayed time with NTP

Check the offset from your PC and the network delay. Correction applies to the app’s display; Windows clock settings stay unchanged.

03

Transparency and position lock

Make the background and frame transparent. Position lock prevents moving and resizing and lets clicks pass through to the app behind it.

04

Full screen or a small window

Resize the window, press F11 for full screen, choose a display, or keep it on top.

05

Rearrange the clock panels

Arrange clocks and timers within one window. Drop in the center to swap panels, or move their boundaries to adjust the proportions.

06

Make the display your own

Choose seconds, milliseconds, 12- or 24-hour time, dates, and time zones. Restore the previous position and size, or start the app at sign-in.

DEVELOPMENT UPDATES

How the clock keeps evolving.

See all updates

See the latest changes confirmed in development records. These notes do not indicate Store release dates or currently published versions.

0.2.59More clock designs

Added Station, Space, Shadow Dial, and Roman Arch analog designs, plus Flip II and Whitespace Typography for digital clocks and timers. Saved designs and colors remain usable.

TRY ON YOUR WINDOWS

Start with a 7-day free trial.

Standard price in Japan: ¥980 · Microsoft Store

Try the clocks and countdowns on your own desktop. Check Microsoft Store for local pricing and trial availability.

Purchase details and system requirements

Try it on Microsoft Store

DEVELOPMENT ARCHIVE

The decisions behind the desktop.

Explore the development archive

Read why the designs, layout, and controls changed, and the thinking behind them.

01 / CONTROL

One action, consistent results

Keep GUI, CLI, and MCP actions consistent through shared settings, timer calculations, and persistence.

Read the development notes
02 / LAYOUT

From shared slots to flexible layouts

Move from switching clocks and timers in one slot to arranging independent panels.

Read the development notes
03 / DESIGN

Separate design from color

Add clock designs while keeping colors, measurement, and saving consistent. Why older prototypes were set aside and how the current rendering works.

Read the development notes

SUPPORT & CONTACT

Help with the app, when you need it.

Find answers to common questions, or contact us by email.

Support & contactinfo@riragon.com

The email link opens your email app.