icon time CT-900 calculating time clock

  3.5 of 5 stars | Read 21 reviews at Amazon
CT-900 Calculating Time Clock

Price, rank, and reviews updated 05/25/2020

The CT900 is a calculating employee time clock with accessories - up to 100 employees

Manage time and attendance with ease

  • Calculates hours worked per day & pay period – for up to 100 employees
  • Supports all popular pay periods – weekly, biweekly and monthly
  • Automatic card feed and alignment – eliminates user errors
  • Tracks tardy, early or late departures – makes violations easy to manage
  • Job Cost Mode – allows you to track time spent on task, customer or job
  • Automatically Adjusts – for short months, leap year, daylight saving time
  • Securely mounts on wall or table


  • Simple to setup and use
  • Everything you need is in the box
  • Easy transition for employees who use a traditional punch clock
  • Ensures clean and legible punches with auto alignment
  • Employees assigned pre-numbered timecards during a pay period


  • Automatically calculates total hours worked per day and pay period
  • Handy alarm feature signifies start and end times and breaks
  • Battery backup ensures accurate timekeeping even with power outages
  • Printed alerts for break deductions and missed punches
  • Tracks tardiness for you – early/late departures


  • Supports weekly, bi-weekly, monthly and job cost mode
  • Choose from 3 day/date formats
  • Multiple language Options: English, Spanish, German, French, Italian, or Portuguese
  • 12 or 24 hour time format
  • Automatic or manual daylight savings time mode

Big Features for your Small Business

  • Works with external speaker or bell alarm
  • Rounding simplifies day and period calculations
  • Marks late or missing punches in red
  • Automatic break and lunch deductions

Job Cost Insights

Do a deeper dive into your labor costs

The CRT-900 Calculating Time Clock lets you to track employee time by:

  • Specific tasks
  • Customers
  • Job

What’s in the box:

  • CT-900 Calculating Time Recorder
  • 100 Bonus Timecards
  • AC Power Supply
  • Printed, Fully Illustrated User Guide
  • Red/Black Ink Ribbon
  • Two Keys
  • Lithium Battery to Retain Memory and Settings
  • Free Lifetime Support & Operational Battery Backup

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