DAYS in WPS on Windows: Introduction

DAYS in WPS on Windows helps you calculate the number of days between two dates in WPS Office AirSheet; this guide covers 4 core tasks, with 4 available without membership and 0 membership-related items.

At a Glance

Metric	Value	Notes
Core tasks	4	Matches the number of rows in the How-to Index
Available without membership	4	Matches the number of Free rows in the index
Membership-related items	0	Matches the number of membership-related rows in the index

About This Feature

Overview

The DAYS function in WPS Office on Windows is a date calculation function in AirSheet that returns the number of days between two dates.

Core capabilities include:

Enter DAYS( to view syntax guidance and confirm the parameter order.
Use an end date and a start date to calculate a date difference.
Reference other cells in a formula for schedules, trackers, and reports.
Recalculate results automatically after data changes for ongoing analysis.

This spreadsheet date difference workflow fits project duration tracking, due date review, and attendance analysis.
It helps reduce manual date calculations and lowers the chance of reversing date parameters.
A distinct benefit is that the function works directly in the cell formula workflow and supports cross-sheet references and nested calculations.

System Requirements

Item	Requirement
OS	A Windows device that can run WPS Office
App version	It is recommended to use the latest version of WPS Office
Network	Local function calculations do not require a constant internet connection; downloading, installation, and account-related actions require network access
Other	You need to open AirSheet and edit formulas in cells

Download & Installation

Before you use the DAYS function, install WPS Office on your Windows device and open an AirSheet editing window.

Item	Notes
Official Download	WPS Office Free Download
Post-install Check	Launch WPS Office → open AirSheet → select any cell and enter `=DAYS(` to confirm that function guidance appears

Source: WPS download page

Compare with Alternatives

Dimension	WPS	Microsoft	Google	Notion	Adobe
Capability Summary	Provides the DAYS function in AirSheet to calculate the number of days between two dates, with syntax prompts, cross-sheet references, and nested calculations.	Microsoft Excel provides date calculation methods such as DATEDIF and DAYS for date differences, and Microsoft notes that DATEDIF may return incorrect results in certain scenarios.	Google Sheets provides `DAYS(end_date, start_date)` to return the number of days between two dates and notes that leap days are included.	Notion formulas support `dateBetween()` to calculate the difference between two dates in database properties, but the workflow is based on database formulas instead of spreadsheet cells.	Adobe Acrobat provides calculated form fields through predefined calculations, simplified notation, or custom scripts, with a focus on PDF forms rather than spreadsheet date functions.
WPS Advantages	Advantage: Works directly in a spreadsheet cell formula workflow. Distinct: Fits everyday date-difference calculations that update automatically when source data changes.	Compared with WPS: Excel offers comparable date calculations, but Microsoft specifically notes compatibility and known-issue considerations for DATEDIF in some cases.	Compared with WPS: Google Sheets also supports DAYS, but the experience is centered on a web-based spreadsheet environment.	Compared with WPS: Notion is better aligned with database property formulas than traditional spreadsheet cell editing.	Compared with WPS: Adobe focuses on PDF form field calculations instead of spreadsheet-based date analysis.
Official Source	—	DATEDIF function	DAYS function	Formula syntax and functions	PDF form fields and calculated values

Overall Conclusion
If your main task is to enter a formula directly in a spreadsheet and keep date differences updated as data changes, the DAYS function in WPS is a practical fit. Other products also provide date or calculation features, but their entry points and primary use cases are different.

Use Cases

#	Scenario	Target Users	Core Pain Point	Solution
1	Project duration tracking	Project managers, operations staff	Need to quickly measure the interval between a start date and an end date	Use DAYS in a cell to calculate project duration
2	Due date review	Administrative and procurement staff	Contract or task deadlines are difficult to calculate one by one manually	Use DAYS to calculate the difference between the current date and a due date
3	Attendance and scheduling analysis	HR staff and shift coordinators	Need to count days across date ranges	Use DAYS with referenced date cells to generate results
4	Reusable reporting	Finance staff and data analysts	Date differences need to be recalculated after table updates	Use automatic recalculation to reduce repeated work
5	Cross-sheet date calculation	Advanced spreadsheet users	Date data is spread across different worksheets	Use cross-sheet references together with DAYS

Membership & Benefits

Free vs WPS Premium

Feature	Free User	WPS Premium
Basic use of the DAYS function	✅ Available	✅ Available
Basic PDF features	✅ Available	✅ Available
Cloud storage	1 GB	20 GB
Template downloads	Limited	More available
Advanced PDF and more advanced tools	Limited	Broader access

Source: WPS Office pricing page

Recommendations

Use Case	Recommended Plan	Reason
Everyday date calculations and basic spreadsheet editing	Free	The DAYS function itself does not require membership and fits routine calculation tasks
More cloud storage, templates, and broader office tools	WPS Premium	Suitable if you also work across spreadsheets, PDF tasks, and other office scenarios

WPS membership center: Subscribe now