Date and Time Checker

"Date and Time Checker" is an application that can easily calculate the date, number of days, time, etc.Multiple calculation formats are available for various applications.

The following calculation formats are available.

1. "End time - Start time"
2. "Specified time ± Elapsed time"
3. "End date - Start date"
4. "Specified date ± Elapsed date"


1. "End time - Start time"
Calculate the elapsed time from the start time to the end time (hour / minute / second, etc.). It is also possible to exclude any time (minutes).

2. "Specified time ± Elapsed time"
Calculate the elapsed time (later / ago) from the specified time. It is also possible to receive an alert notification at the calculated time.

3. "End date - Start date"
Calculate the elapsed days (days / weeks / months / years, etc.) from the start date to the end date. You can choose to calculate the first day as 0 day or 1 day.

4. "Specified date ± Elapsed date"
Calculate the elapsed date (later / ago) from the specified date. It is also possible to receive an alert notification on the calculated date.


You can save the calculation results and check them as a history.


【Use cases of Date and Time Checker】
・ Calculation of working hours
・ Calculation of overtime hours
・ Calculation of sleep time
・ Calculation of possible stay time
・ Calculation of work time
・ Calculation of waiting time
・ Back calculation of departure time
・ Calculation of travel time
・ Calculation of end time of abandoned game
・ Check how many days have passed since you were born
・ Calculate how many years have passed since you purchased
・etc


Use the Date and Time Checker to quickly check the cumbersome date and days calculations.