Does Start of Quarter upload my file or text to Tool-You servers?

No. Start of Quarter runs in this browser tab. Files stay on the device. Limit note: First day of Q1–Q4. Invalid dates fail.

Should I use Quarter Range instead of Start of Quarter?

Use Start of Quarter when you need First day of that calendar quarter. Use Quarter Range when you need First and last day of that quarter. They share a category (Date & time) but not the same job.

Start of Quarter

First day of that calendar quarter.

Returns the first local day of the quarter that contains one date. Unlike Quarter Range this prints only the start. Unlike Start of Month this is a quarter boundary. Invalid dates fail.

What Start of Quarter does

Returns the first local day of the quarter that contains one date. Unlike Quarter Range this prints only the start. Unlike Start of Month this is a quarter boundary. Invalid dates fail.

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

How to use Start of Quarter

Confirm you need Start of Quarter, not Quarter Range (First and last day of that quarter.). Address: /datetime/start-of-quarter.
Enter the numbers or dates Start of Quarter uses. First day of that calendar quarter.
Read the result as Start of Quarter defines it — not as End of Quarter (Last day of that calendar quarter.). Returns the first local day of the quarter that contains one date. Unlike Quarter Range this prints only the start. Unlike Start of Month this is a quarter boundary. Invalid dates fail.
Start of Quarter is an estimate in the browser, not professional advice. First day of Q1–Q4. Invalid dates fail.
Need a different formula? Try End of Quarter (Last day of that calendar quarter.) instead of stretching Start of Quarter.

When not to use Start of Quarter

Skip Start of Quarter when a neighbor tool matches better — start with Quarter Range or End of Quarter — or when the description already warns the job will fail. In the tool’s own words: Returns the first local day of the quarter that contains one date. Unlike Quarter Range this prints only the start. Unlike Start of Month this is a quarter boundary. Invalid dates fail.

Questions about Start of Quarter

What does Start of Quarter do that other Date & time pages on this site do not?: Returns the first local day of the quarter that contains one date. Unlike Quarter Range this prints only the start. Unlike Start of Month this is a quarter boundary. Invalid dates fail. Short version: First day of that calendar quarter.
Does Start of Quarter upload my file or text to Tool-You servers?: No. Start of Quarter runs in this browser tab. Files stay on the device. Limit note: First day of Q1–Q4. Invalid dates fail.
Should I use Quarter Range instead of Start of Quarter?: Use Start of Quarter when you need First day of that calendar quarter. Use Quarter Range when you need First and last day of that quarter. They share a category (Date & time) but not the same job.
What are the limits of Start of Quarter?: First day of Q1–Q4. Invalid dates fail. Also: Returns the first local day of the quarter that contains one date. Unlike Quarter Range this prints only the start. Unlike Start of Month this is a quarter boundary. Invalid dates fail.