Does Death Anniversary upload my file or text to Tool-You servers?

No. Death Anniversary runs in this browser tab. Files stay on the device. Limit note: Gregorian +years. Leap day clamps to month end.

Should I use Seven Sevens Memorial instead of Death Anniversary?

Use Death Anniversary when you need First- and third-year Gregorian dates. Use Seven Sevens Memorial when you need 七七 memorial dates with first and last. They share a category (Date & time) but not the same job.

Death Anniversary

First- and third-year Gregorian dates.

Enter a death date and get +1 and +3 year Gregorian dates. Feb 29 clamps to month end. Not a lunar calendar.

What Death Anniversary does

Enter a death date and get +1 and +3 year Gregorian dates. Feb 29 clamps to month end. Not a lunar calendar.

The interactive controls for Death Anniversary load after this article so crawlers still read the instructions. Path /datetime/death-anniversary is the canonical address. Work happens on this device; Tool-You does not take a copy of the file or pasted text for Death Anniversary.

How to use Death Anniversary

Confirm you need Death Anniversary, not Seven Sevens Memorial (七七 memorial dates with first and last.). Address: /datetime/death-anniversary.
Enter the numbers or dates Death Anniversary uses. First- and third-year Gregorian dates.
Read the result as Death Anniversary defines it — not as Countdown (Days) (Days (and weeks/hours) until a target date.). Enter a death date and get +1 and +3 year Gregorian dates. Feb 29 clamps to month end. Not a lunar calendar.
Death Anniversary is an estimate in the browser, not professional advice. Gregorian +years. Leap day clamps to month end.
Need a different formula? Try Countdown (Days) (Days (and weeks/hours) until a target date.) instead of stretching Death Anniversary.

When not to use Death Anniversary

Skip Death Anniversary when a neighbor tool matches better — start with Seven Sevens Memorial or Countdown (Days) — or when the description already warns the job will fail. In the tool’s own words: Enter a death date and get +1 and +3 year Gregorian dates. Feb 29 clamps to month end. Not a lunar calendar.

Questions about Death Anniversary

What does Death Anniversary do that other Date & time pages on this site do not?: Enter a death date and get +1 and +3 year Gregorian dates. Feb 29 clamps to month end. Not a lunar calendar. Short version: First- and third-year Gregorian dates.
Does Death Anniversary upload my file or text to Tool-You servers?: No. Death Anniversary runs in this browser tab. Files stay on the device. Limit note: Gregorian +years. Leap day clamps to month end.
Should I use Seven Sevens Memorial instead of Death Anniversary?: Use Death Anniversary when you need First- and third-year Gregorian dates. Use Seven Sevens Memorial when you need 七七 memorial dates with first and last. They share a category (Date & time) but not the same job.
What are the limits of Death Anniversary?: Gregorian +years. Leap day clamps to month end. Also: Enter a death date and get +1 and +3 year Gregorian dates. Feb 29 clamps to month end. Not a lunar calendar.