Overnight Shift Hours from CSV
Validate dated start and end times, mark next-day endings explicitly, reject overlap, and total working time after subtracting breaks.
It is only processed in the browser, not uploading or saving. Leaving the page will be cleared; the calculation can also be cleared and the result can be discarded. Do not enter other people's credentials or private keys.
Overnight Shift Hours from CSV User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- A 09:00–18:00 shift with a 60-minute break and a 22:00–06:00 next-day shift with a 30-minute break total 15.50 hours.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Check the exact CSV columns and Gregorian dates, convert each interval to whole minutes, reject overlap, then subtract the entered break duration.
scope of use
Up to 366 records and 40,000 characters; each interval is at most 24 hours. Uses one person's civil-clock records, not wages, statutory overtime, time zones, or daylight-saving rules.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Up to 366 records and 40,000 characters; each interval is at most 24 hours. Uses one person's civil-clock records, not wages, statutory overtime, time zones, or daylight-saving rules. Please compare the input unit, rounding method, applicable rules and data version first.