DuPont calendar
4 nights, 3 off, 3 days, 1 off, 3 nights, 3 off, 4 days, then 7 off. a 28-day cycle, 182 to 183 work days in 2027 depending on your start date.
Pick the first day of your cycle below to see every shift for the year.
Today: Day shift
Next shift: Wed 4 Nov, Day shift (in 12 days)
Next days off: 4 days from Wed 4 Nov (in 12 days)
Pick the first day of your first work block
Optional. Nothing after it shows or exports
Your calendar app checks the calendar link for changes. It follows this roster only. If you change your pattern, dates or swaps later, add the new link.
DuPont in numbers
| Cycle length | 28 days (14 on, 14 off) |
|---|---|
| Longest run of work days | 4 |
| Cycles in a year | 13.0 |
| Work days in 2027 | 182 to 183 |
| Weekend days worked in 2027 | 52 |
| Same weekday comes round again | every 28 days |
The pattern runs 28 days, exactly 4 weeks, and usually has 4 crews at different points in the cycle. Pick the day your crew starts to see your year.
Figures are worked out from the pattern for 2027 and cover every possible start date. They count dates only, so check your official roster before booking anything. Updated 2026-11-04.