# TimeSignalService Professional > Time signal playback. Full screen table clock. Resizable simple clock widget. Canonical page: [https://chrome-stats.com/d/jp.gr.java\_conf.dbit.timesignalprofessional](https://chrome-stats.com/d/jp.gr.java_conf.dbit.timesignalprofessional) ## Overview - **ID:** `jp.gr.java_conf.dbit.timesignalprofessional` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** dbitware - **Category:** LIFESTYLE - **Downloads:** 146 - **Version:** 1.1.10 - **Last updated:** 2026-03-17 - **First published:** 2023-05-18 - **Publisher country:** JP - **Size:** 5.13 MB - **Data as of:** 2026-09-14 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.gr.java_conf.dbit.timesignalprofessional) - **Privacy policy:** [https://dbitware-f3394.web.app/privacy\_policy\_time\_signal\_service\_professional.html](https://dbitware-f3394.web.app/privacy_policy_time_signal_service_professional.html) ## Description Features
• Full-screen clock display
• Telephone office-style time signal and time readout
• Wake-up timer, sleep timer
• Digital clock widget with seconds display. Resizeable from 1x1. Dynamic color support (Android 12 and later).
• Timer with voice readout of remaining time (5min, 3min, 2min, 1min, 30sec, 20sec, 10sec, and 10-second countdowns in 1-second increments)
• Pomodoro timer

Professional version features
- Date display customization and display off
- Multiple alarms can be set to trigger the time signal
- Display customization of the digital clock widget with seconds display
- Fixed theme (dark or light)
- Fixed screen orientation

Professional version alarm function
- Multiple alarms can be set
- Play a beep and time readout from a specified time
- Play a beep and time readout until a specified time (10-60 seconds)
- Time signal mode. The specified time is announced with a beep and audible time reading (similar to a radio time signal) (5-10 seconds).

How to Use
- Switch functions using the tab bar at the top of the screen. There are three modes: Clock Mode, Timer Mode, and Pomodoro Timer Mode.

-Clock Mode
- The current time is displayed on the screen.
- Tap the screen to display buttons.
- Press the play button on the bottom left to start the time signal.
- The time signal is treated as a music player and will continue to play even when the app is closed.

-Timer Function
- This timer announces the remaining time with a voice. You can set the time and voice type using the voice icon on the screen.
- Select multiple times to be notified: 5 minutes, 3 minutes, 2 minutes, 1 minute, 30 seconds, 20 seconds, 10 seconds, or 10 seconds before, with a countdown every second.
- You can select a timer time using the numeric keypad or from past timer history.

-Pomodoro timer (concentration timer, efficiency timer, productivity timer)
- When a timer is stopped, a list of times will be displayed on the screen. Timers will run in order from the top left. Tap the time button to start the timer.
- After stopping a timer, you can start the next timer from the app screen or a notification. You can also specify automatic start (single loop, loop) using the auto start button on the app screen.
- You can edit the time list by pressing and holding the time button or by pressing the add button.


Setting
In the settings, you can adjust the volume and set the wakeup timer.

Date format
　You can select the date display format.
　The following characters can be used in customization.
　　y　Year
　　M　Month in year (context sensitive)
　　d　Day in month
　　E　Day name in week
　If you arrange the same characters in succession, the display will change.
　Example:
　　y　　　2021
　　yy　　　21
　　M　　　1
　　MMM　　Jan
　　MMMM　January

The time voice
　English Aria
　　Created By ondoku3.com
　　https://ondoku3.com/
　English Zundamon
　　Voiceger:Zundamon
　　https://zunko.jp/voiceger.php
　Japanese 四国めたん
　　VOICEVOX:四国めたん
　　https://voicevox.hiroshiba.jp/
　Japanese ずんだもん
　　VOICEVOX:ずんだもん
　　https://voicevox.hiroshiba.jp/


Notes
•The operation is based on the time of the device.
•Audio may be delayed by the output device.
•Delays may occur due to sound skipping, output clock differences, etc. ## Rankings - #1,833,011 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.REORDER_TASKS` - `android.permission.USE_EXACT_ALARM` - `android.permission.WAKE_LOCK` - `jp.gr.java_conf.dbit.timesignalprofessional.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Time signal service](https://chrome-stats.com/d/jp.gr.java_conf.dbit.timesignal) — 19,115 users - [Signal Timer](https://chrome-stats.com/d/to.msn.wings.myapplication) — 123 users - [Simple Time Signal](https://chrome-stats.com/d/com.pigmal.clock) — 15,539 users - [Simple Clock - Alarm & Timer](https://chrome-stats.com/d/com.simplemobiletools.clock) — 1,971,574 users, 4.20 / 5 - [Speaking Clock](https://chrome-stats.com/d/net.goodstones.speakingclock) — 24,262 users, 4.25 / 5 - [Clock + Stopwatch + Timer](https://chrome-stats.com/d/com.dyvoker.stopwatch) — 88,661 users, 4.09 / 5 - [Alarm Clock: Timer & Widget](https://chrome-stats.com/d/com.alarm.clock.time.timer.widget) — 32,775 users - [Alarm Clock](https://chrome-stats.com/d/app.genius.alarm.clock) — 10,468 users, 4.22 / 5 - [Timely Pro-Smart Clock](https://chrome-stats.com/d/com.quantexastudios.clock) — 57 users - [TimePro- Alarm, Clock & Timer](https://chrome-stats.com/d/com.timepro.alarmclock.timer.stopwatch) — 46 users - [Talking Stopwatch & Timer Pro](https://chrome-stats.com/d/com.ldroid.stopwatch) — 8,966 users, 4.56 / 5 - [Clock](https://chrome-stats.com/d/com.newageproductions.alarmclock) — 137,724 users, 3.00 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/jp.gr.java_conf.dbit.timesignalprofessional)