From: Payroll Services
Effective Monday, December 1, 2025, Timekeeping (Kronos) and Kronos Limited will be replaced with Timekeeping (UKG). The new link will be available on access.caltech.edu on Monday, December 1, 2025.
In addition to an updated online experience, Timekeeping (UKG) offers exciting new features:
- Online time off requests
- Mobile access (for eligible departments/divisions)
- Timestamps for punching in
- Enhanced security with Duo multi-factor authentication
The Payroll Team provides basic tutorials that show employees how to login, record time, request time off and review and approve their timecards. Payroll encourages you to work with your manager or supervisor for any specific rules in your department.
For more information, visit the Payroll Services website.
Timekeeping UKG Guides
- Caltech Timekeeping Quick Guide
- Caltech Timekeeping Mobile App Guide
- FAQs
- Caltech Time Clocks - Map
- Shibboleth stale login request error
Contact Information
Technical Issues: [email protected]
Paycheck Inquiries: [email protected]
Edits for previous pay period: Contact your supervisor or payroll activity monitor (PAM)