What does Hour of Day do that other Date & time pages on this site do not?

Parses an ISO datetime and returns local hour, minute, and second components. Short version: Hour with minute and second from ISO time.

Does Hour of Day upload my file or text to Tool-You servers?

No. Hour of Day runs in this browser tab. Files stay on the device. Limit note: Needs a parseable ISO datetime.

Should I use Minute of Hour instead of Hour of Day?

Use Hour of Day when you need Hour with minute and second from ISO time. Use Minute of Hour when you need Minute with hour and second from ISO time. They share a category (Date & time) but not the same job.

What are the limits of Hour of Day?

Needs a parseable ISO datetime. Also: Parses an ISO datetime and returns local hour, minute, and second components.

Hour of Day

Hour with minute and second from ISO time.

Parses an ISO datetime and returns local hour, minute, and second components.

What Hour of Day does

Parses an ISO datetime and returns local hour, minute, and second components.

This URL is only for Hour of Day (datetime · hour of day). Hour with minute and second from ISO time. Other Date & time tools on Tool-You look similar in the chrome, so the job definition below is the part that belongs to Hour of Day alone: Parses an ISO datetime and returns local hour, minute, and second components.

How to use Hour of Day

Confirm you need Hour of Day, not Minute of Hour (Minute with hour and second from ISO time.). Address: /datetime/hour-of-day.
Enter the numbers or dates Hour of Day uses. Hour with minute and second from ISO time.
Read the result as Hour of Day defines it — not as Time of Day Bucket (Morning/afternoon/evening/night.). Parses an ISO datetime and returns local hour, minute, and second components.
Hour of Day is an estimate in the browser, not professional advice. Needs a parseable ISO datetime.
Need a different formula? Try Time of Day Bucket (Morning/afternoon/evening/night.) instead of stretching Hour of Day.

When not to use Hour of Day

Skip Hour of Day when a neighbor tool matches better — start with Minute of Hour or Time of Day Bucket — or when the description already warns the job will fail. In the tool’s own words: Parses an ISO datetime and returns local hour, minute, and second components.

Questions about Hour of Day

What does Hour of Day do that other Date & time pages on this site do not?: Parses an ISO datetime and returns local hour, minute, and second components. Short version: Hour with minute and second from ISO time.
Does Hour of Day upload my file or text to Tool-You servers?: No. Hour of Day runs in this browser tab. Files stay on the device. Limit note: Needs a parseable ISO datetime.
Should I use Minute of Hour instead of Hour of Day?: Use Hour of Day when you need Hour with minute and second from ISO time. Use Minute of Hour when you need Minute with hour and second from ISO time. They share a category (Date & time) but not the same job.
What are the limits of Hour of Day?: Needs a parseable ISO datetime. Also: Parses an ISO datetime and returns local hour, minute, and second components.