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Make everyday date questions easier to answer. Calculate the time between two dates, move forward or backward from a date, count workdays using your own rules, and keep personal milestones together.

DATE CALCULATIONS
• Compare two calendar dates with optional start- and end-day inclusion.
• See the total in days and weeks, plus a separate years, months, and days calendar breakdown.
• Add or subtract days, weeks, months, or years. When a target month is shorter, the result uses its final day and explains the adjustment.

WORKDAY COUNTING
• Choose your weekly rest days.
• Add up to 100 custom excluded dates or extra workdays.
• Results use only the rules you configure. No regional holiday calendar is assumed.

PERSONAL DATES
• Save a title, date, direction, optional monthly or yearly repeat, tag, and note.
• Review the time until a date or the time elapsed, search your list, and filter by upcoming dates, past dates, or tags.
• Hide dates from the home summary or archive and restore them when needed.
• Editable examples demonstrate date-boundary counting and month-end adjustment.

LOCAL HISTORY AND PREFERENCES
• Save calculation inputs, rules, and results to recent history, then load the inputs again for a fresh calculation.
• Copy results and choose a date format, week start, default start/end boundary settings, theme, and heading size.

Date entry uses the clear year-month-day format. Personal dates, preferences, workday rules, and saved calculations stay in local app storage. The app does not read your system calendar or contacts, and core date calculations work offline.