Some ideas for /c_programs/timewatch.c

[gbowne1]

Alarm Functionality: Allow users to set alarms for specific times. The program could notify the user when the alarm goes off.

Countdown Timer: Similar to a stopwatch, but counting down to a specific time rather than measuring elapsed time.

Date Arithmetic: Enable users to perform operations like adding or subtracting days, months, or years from a given date.

Time Zone Conversion: Allow users to convert times between different time zones.

Day of the Week Calculator: Given a date, calculate which day of the week it falls on.

Leap Year Checker: Determine if a given year is a leap year.

ISO 8601 Formatting: Add an option to display dates and times in the ISO 8601 format, which is often used in programming and APIs.

User-Friendly Reminders: Implement a feature for setting reminders that pop up after a certain time interval or at a specific time.

Time Tracking: Help users track how much time they've spent on tasks, with options to start, stop, and record time spent.

Convert Between Time Units: Allow users to convert between various time units (e.g., seconds to minutes, hours to days).

Date Range Checking: Check if a given date falls within a specific range of dates.

Historical Events: Provide a feature to look up significant historical events that occurred on a given date.

Sunrise/Sunset Times: Calculate the times of sunrise and sunset for a given location and date.

Calendar Display: Display a monthly calendar view for a specific month and year.

Format Customization: Allow users to customize date and time formats according to their preferences.