7/7 rotation calendar illustrative annual totals: 2027 annual example
Assumptions: first duty day 1 Jan 2027; 7 consecutive duty days followed by 7 consecutive rest days; no travel-day allocation, overrides or leave taken. A duty day is a calendar date marked by the repeating work/rest cycle, not a shift-hours calculation.
Month
Duty days
Rest days
January
17
14
February
14
14
March
17
14
April
15
15
May
14
17
June
14
16
July
16
15
August
17
14
September
16
14
October
14
17
November
14
16
December
15
16
2027 total
183
182
These counts change if the first duty date changes. Calculate your actual annual totals using the interactive planner.
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The 7/7 rotation calendar example starts with duty on 1 January 2027. Real shift changes, travel and approved leave can alter the dates.
Nationwide public holidays do not convert scheduled duty into time off. Regional holidays and employer rules may differ.
2027 pattern facts for 7/7 rotation calendar
Using 1 Jan 2027 as the first duty date, this 7-on / 7-off illustration contains 182 rostered rest dates in 2027, with a longest uninterrupted rest stretch of 7 days inside the calendar year. That starting point is illustrative, not your employer’s published duty roster.
Across all 14 equally weighted possible starting phases, the entire 24–26 Dec Christmas period is free in 5 phases (35.7%); 31 Dec through 1 Jan is free in 6 phases (42.9%).
For illustrative summer-school intervals, the mean number of rostered rest dates is 21.0 of 42 dates for an Australian December–January example, 21.0 of 42 for a UK July–August example, and 31.0 of 62 for a US June–August example. These fixed windows are not official countrywide school calendars and do not include travel or approved leave.
A 7/7 roster alternates a full week of duty with a full week of scheduled rest. The number of rest days can look familiar, but the repeating phase depends on the first work-block date rather than a universally fixed Monday. If a swing starts on a Thursday, duty and rest transitions occur on Thursdays in the basic example. Do not let the ordinary wall-calendar week override the roster’s actual boundaries.
For 2027, the illustration begins on January 1 and cycles every fourteen dates. A 365-day calendar year contains twenty-six complete 14-day cycles plus an extra date, so annual totals may differ by one from the naive 50/50 calculation. Starting in a different year or on a different date can shift which calendar year receives that extra duty or rest date. This is why an anchored year view matters for leave planning.
In mining, remote work or security settings, travel may consume part of a nominal off week. Record travel explicitly before telling family that the entire seven-day block is usable. If your partner works a different swing, compare the overlap rather than assuming alternating weeks align. A subscription based on your real first duty date will remain easier to check than separate manually entered appointments.
If a seven-day swing begins on a Wednesday, the following Wednesday is the first scheduled rest day in the simplest sequence. A colleague whose swing starts on Saturday receives different weekend coverage even though both describe their jobs as seven-and-seven. This illustrates why the first-duty-date field is not optional when a precise calendar is needed. Use the year table to compare months, then cross-check a few known roster dates on either side of December to catch an incorrect anchor.
Frequently asked questions
How does 7/7 rotation calendar repeat?
One week on followed by one week off. Anchor the roster to your confirmed duty start. Each projection depends on the verified first duty date.
How should I interpret the 7/7 rotation calendar 2027 example?
The 7/7 rotation calendar table describes calendar duty and rest dates. Use the exact confirmed shift start; exceptions, flights and hourly leave charging must be handled separately.
Can I plan time together using 7/7 rotation calendar?
Yes. Begin with the 7/7 rotation calendar cycle, then compare the other person’s individually anchored roster. Suggested leave dates are not approved absences.