Time Period Converter

Time Period Converter provides calendar-aware calculations that translate between date ranges, durations, and standard units such as days, weeks, months, and years.
Users can compute the exact number of days between two dates, convert a duration in weeks to calendar days, or derive a projected end date from a given start date and period length.
The tool supports inclusive or exclusive counting as needed.
Conceptually, it uses date arithmetic on a calendar timeline, accounting for varying month lengths and leap years. Optional time-zone awareness and a holidays list can adjust results; when holidays are provided, business days mode excludes those dates. The tool can produce multiple unit outputs in a single run.
Who benefits: researchers analyzing project spans, educators teaching time concepts, planners coordinating schedules, and analysts comparing timelines across teams. Common workflows include converting a 90-day sprint into calendar days, turning a date range into months for milestone planning, or aligning start and end dates across departments.
Core value and features include calendar-aware date difference, duration-to-unit conversion, multi-unit outputs, inclusive/exclusive options, business days mode, and optional holidays. Use cases include scheduling, budgeting, and reporting. This tool differentiates itself by precise calendar logic, clear units, and fast, repeatable conversions suitable for data pipelines.