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How to use Previous Day results in a Day Program formula

When working with time categories or counters in a Jarrison Time day program, typically the current day’s values are used. There may be occasions when the previous day’s result needs to be used instead.

For example to count consecutive days worked. The period accumulator function may be used achieve similar results, if only working within the current period is needed. If passing values between periods (checking last period’s values in the current period) is required, the Previous Day option will be needed.

Below is an example of using the Previous Day function, to determine how many days an employee worked shifts consecutively in a week.

First a “Shift Count” category (any other preferred counter can be created in Setup > Counters) needs to be added. The counter can be set from the Counters tab of Day Programs.

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Note that when applying the counter through the Counters tab, the formula to follow must be checked to post-process.

It could also be set from the Rules tab by a formula.

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A new category or counter can then be created in which to store the cumulative value. For the formula below, we’ve created a counter called “Consecutive Shifts” and applied the formula accordingly. The counter should be checked as a Running Total. (More on Running Totals can be found at

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In this instance, the “Consecutive Shifts” value will be equal to the Shift Count allocated on the existing day in addition to the Consecutive count of the previous day (if a value is present). Our Only IF condition will ensure that the formula only applies if they are present on the day. Absence will result in the “Consecutive Shifts” value resetting to 0.

With the formulas correctly applied, the counter will increment for each day as seen in the Daily Summary results below.

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Glossary of Terms

.Net Framework

(known as “dot net”) .Net is a software development framework for building and running applications on Windows.

Access Control

Access control refers to the restriction of people’s ability to clock on biometric devices based on location and/or time. Advanced access control includes anti-passback and zone sequencing.

Access Groups

Access Groups in Jarrison Time are combinations of Devices and Time Zones, used to determine on which devices and at which times members of the Access Groups may clock. Access Groups also facilitate restrictions based on too much or too little clocking in specified time-frames.

Access Groups can by synchronized or imported by Third-Party Import, or by users.

Access Zone

In Jarrison Time an Access Zone is how devices are grouped together to form logical zones for the purposes of access control. The option is available with the JT Live module.

Adjustments (Manual Adjustments)

Adjustments are the method of covering absence of time by employees in Jarrison Time. Examples of adjustments would be Annual leave and Sick leave. Adjustments are typically applied by a user via Daily Details as needed, or can be imported from file. It’s very important that Adjustments are correctly configured and applied as paid or unpaid. (Unpaid will result in Short Time.)

Anti Passback

Anti Passback is a form of access control where people are restricted from clocking on the device most recently clocked on, until they have clocked at another device.

Approval Bypass

Approval Bypass is a feature of Jarrison Time Approvals that allows for the first approval tier to be approved without any exceptions being cleared.


Approvals are a system-wide setting that forces users to correct Exceptions and then lock periods from further editing, ready for submission to payroll.

Jarrison Time allows for up to three tiers of Approvals: Daily Summary (timesheet), Pay totals, Department totals. Starting at timesheet level, each tier needs to be approved before the next one can process.


An Area in Jarrison Time refers to a GPS location with a set radius, which designates a permitted T&A clocking area for JT Clock users.

Area Schedule

The Area Schedule is used in conjunction with JT Clock to determine where JT Clock users should clock on a given day.


Authentication in the context of access control or T&A is the means by which a person identifies themselves to biometric devices for clocking purposes.


In Jarrison Time it is possible to allow employees to earn unapproved overtime when working additional hours. The unapproved time must then be authorized (to change to payable OT) or declined by a user. Authorization categories are setup so the system knows where to send approved or declined time.

Biometric Device (Reader)

A biometric device is a type of device (also known as a reader), usually wall-mounted but can be handheld, used to authenticate a person’s identity by recognizing some part of their body. Jarrison Time is directly compatible with a wide range of biometric devices covering the following means of authentication: Fingerprint, Face, Palm. Tags and PINs can also be accepted if the device supports it.

Bouncing (Shift Sensing)

Bouncing is a system-based method of assigning Day Programs to employees based on their clocking times. The selection of Day Programs the system can apply and when to apply them needs to be configured.