 Calculation of Business Days | Calculates the number of business days between two dates, excluding holidays. Supports major banks, government agencies, and other organizations from 2020 onward. |
| Calculation of Business Dates | This function calculates a new date by adding the number of business days to the given date. It supports major banks, government agencies, and other organizations. |
| Business Calendar | Displays a business calendar for holidays. You can also select business calendars for major banks, government agencies, and other organizations. Now supports Premium Friday. |
| Government Calendar | Displays calendars for administrative agencies such as city halls, ward offices, and town halls. |
| Bank Calendar | Displays the bank calendar. |
| National Holiday | Please list Japan's national holidays. Regular weekends are excluded. |
| Calculating the number of days (date – date) | Calculates the number of days, weeks, and years between two dates. You can calculate how many days have passed since birth. |
| Date Calculation (Date + Number of Days) | Calculate a new date by adding a number of days to the current date. If you enter a negative number of days, the result will be the current date minus that number of days.
Example: What is the date X days from today? |
| Date Calculation (Date + Number of Weeks) | Calculate a new date by adding the number of weeks to the current date. If you enter a negative number of weeks, the result will be the current date minus that number of weeks.
Example: What is the date X weeks from today? |
| Date Calculation (Date + Month/Year) | Calculate a new date by adding the year and month to the current date.
Example: What is the date X years and X months from today? |
| Date Calculations (Table of Cycles of ~ Days) | Calculate the date obtained by repeatedly adding a specified number of days to a given date.
Example: Calculate a future date 30 days from today. |
| How many days until...? | This calculates the number of days remaining from today until the selected date. |
| When was "X days ago"? | Calculates the number of days before the selected date.
Example: What is the date X days before today? |
| Day-of-the-week calculation | Determines the day of the week based on a date in the Gregorian calendar or the Japanese calendar (from the Meiji era onward). |
| Day-of-the-Week Calculation (Annual) | For a specific date in the Gregorian calendar or the Japanese calendar (from the Meiji era onward), this calculates the day of the week corresponding to that date for a specified number of years.
Example: What is the day of the week for the same date up to ~ years from now? |
| How old are you now (or were you back then)? | Calculate your age today/at that time using both calendar age and traditional Japanese age. |
| Calculating the ages of parents and children | Calculate the ages of the parent and child. |
| Calculate your age starting from the year you graduated | We calculate your age and date of birth based on the year you graduated. |
| From Date to Week Number | Calculates the week number based on the date. The week number supports both the US and ISO formats. |
| Week number to date | It calculates the date based on the week number for that year. The week number supports both the US and ISO formats. |
| Gregorian Calendar Conversion | Converts between the Western Julian and Gregorian calendars. |
| U.S. Holidays | Please list U.S. federal holidays. Weekends are excluded. |
| Public Holidays in Taiwan | Please list Taiwan's public holidays. Regular weekends are excluded. |
| What day is it today? (Gregorian calendar, Japanese calendar, lunar calendar, Rokuyō) | This tool calculates the current date in the Gregorian calendar, the Japanese calendar, the lunar calendar, and the Rokuyō system. |
| Calculating the Duration of Maternity and Parental Leave | Calculate the duration of maternity and parental leave. |
| Determining a Leap Year | Determines whether the year is a leap year. |
| Create a list of leap years | I will create a list of leap years. |
| When was the company founded, established, or launched? | Calculate the number of years since the company was founded, established, opened, or launched. |
| Meiji, Taisho, Showa—how many years ago were those years? | Calculate how many years ago the Meiji, Taisho, Showa, and Heisei eras began. |
| What are the age requirements for enrollment in kindergarten or daycare? | This tool calculates the birthdates that qualify for admission to kindergarten or daycare. |
| Calculating the Number of Days Until Retirement | Calculates the retirement date and the number of days remaining until retirement. |
| Calculate the number of days of the week within the period | Calculates the number of days of the week within the specified period. |
Date and Day of the Week