365 Days Ago

This calculator subtracts 365 calendar days from a reference date—today by default—and shows the exact past date. It counts every day in the interval, including weekends and holidays, using the same calendar engine as other DateCalx tools.

Change the reference date if you are measuring backward from an invoice date, event, or log entry rather than from today. The result updates immediately when you recalculate.

If the reference date is July 20, 2026, then 365 days ago was July 20, 2025. That answer tells you precisely which calendar day occurred one fixed interval earlier.

For record-keeping, you might set the reference date to the end of a billing cycle and subtract 365 days to find when a payment period began or when documentation was due.

Past-date lookups support elapsed-time questions, audit trails, medical and legal records, warranty checks, and historical research. Journalists and analysts use them to anchor timelines relative to a known event.

HR teams verify probation end dates, support teams confirm SLA lookback windows, and individuals answer questions like "what date was two weeks ago?" without manual counting.

When you need the span between two specific dates rather than a fixed offset, use the Days Between Dates calculator for a full breakdown in years, months, and days.