--- title: "How to Set Date and Time on a ZKTeco K40 Pro | Qyvea" url: https://qyvea.co.ke/zkteco-k40-pro-set-date-and-time description: "Fix a wrong clock on a ZKTeco K40 Pro: set date and time on the terminal, sync it from ZKBio Time.Net and avoid wrong attendance reports." updated: 2026-10-20 --- > Markdown copy of https://qyvea.co.ke/zkteco-k40-pro-set-date-and-time for AI assistants. Prices and stock change; check the live page. 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Check the terminal clock first. Every punch is stamped with the terminal's time, not the PC's. [Shop ZKTeco K40 terminals →](https://qyvea.co.ke/products/zkteco-k40-fingerprint-time-attendance-terminal-67)[Get help on WhatsApp](https://wa.me/254113301244?text=Hi%20Qyvea%2C%20I%20read%20your%20guide%3A%20How%20to%20Set%20the%20Date%20and%20Time%20on%20a%20ZKTeco%20K40%20Pro.%20I%20need%20help%20with%20my%20ZKTeco%20K40%20Pro.) Quick answer On the K40 Pro go to Menu > System > Date/Time and set the date, time and format. In the software you can also synchronise the device clock with the PC from the Device list. **Buy your ZKTeco K40 from Qyvea**: Supplied and installed across Kenya. Delivered within 24 hours once payment is confirmed. [Shop ZKTeco K40 terminals →](https://qyvea.co.ke/products/zkteco-k40-fingerprint-time-attendance-terminal-67)[All attendance terminals](https://qyvea.co.ke/products?cat=biometrics&search=attendance)[Ask Qyvea on WhatsApp](https://wa.me/254113301244?text=Hi%20Qyvea%2C%20I%20read%20your%20guide%3A%20How%20to%20Set%20the%20Date%20and%20Time%20on%20a%20ZKTeco%20K40%20Pro.%20I%20need%20help%20with%20a%20ZKTeco%20K40%20Pro.%20Please%20quote%20me.) ## Key takeaways - Punches use the terminal clock. - Set time on the device or sync from the PC. - Power cuts can reset the clock if the battery is flat. - Fix the time before you download records. ## Why the clock matters The terminal stamps each punch with its own clock. If it is 20 minutes fast, every employee looks 20 minutes late in your reports, even though they arrived on time. See [wrong punch times](https://qyvea.co.ke/zkteco-k40-pro-wrong-time-punches) for the recovery steps. ## Set it on the terminal 1. Press Menu and sign in as administrator. 2. Open **System** then **: Date/Time**. 3. Set the date, time, time format and date format. 4. Save and check the screen shows the correct time. ## Sync from the PC In ZKBio Time.Net open Device > Device, select the K40 Pro and look for a Synchronize Time or Sync Time action. It pushes the PC's clock to the terminal. First make sure the PC's own clock is right, and tick the Kenya time zone (UTC+3, no daylight saving). ## If the time keeps drifting - Check the terminal's internal battery; a flat one loses the time on power cuts. - Fit a small UPS so power cuts do not restart it. See [power backup](https://qyvea.co.ke/zkteco-k40-pro-power-backup-ups-kenya). - Set a monthly reminder to sync time from the software. ## After correcting a bad clock Punches already stored keep their old, wrong stamps. Decide whether to leave them, correct them with manual edits, or exclude that period from payroll. Note the date you fixed the clock in your records. **Tip**: Check the time the first morning after every long power cut. ## A typical scenario A Rongai factory noticed everyone was 'late' by exactly 18 minutes. The terminal clock had drifted fast after several power cuts. Setting the correct time and fitting a UPS ended the false lateness, and HR stopped receiving complaints. *Illustrative example based on common cases, not a named customer.* ## Common mistakes - Fixing the PC clock but not the terminal's. - Choosing the wrong date format and reading 03/10 as March. - Changing the time after the pay period closes without a note. - Never checking the clock after power cuts. - Setting the time zone wrongly on the PC. ## Quick checklist 1. Check the phone time against the terminal 2. Set date and time in Menu then System 3. Sync from the PC if needed 4. Fit a UPS 5. Check after power cuts 6. Record the date of any correction ## Frequently asked questions Does the K40 Pro update its time automatically? Not on its own unless your setup includes a time server or the software syncs it. Plan to check it. What time zone should I use? Kenya uses East Africa Time, UTC+3, with no daylight saving. Will changing the time delete my records? No. It only changes future stamps. Existing records keep their old time. Why does the time reset after a power cut? The internal backup battery may be weak. Ask your installer to check it. This guide is part of our [ZKTeco K40 and ZKBio Time.Net series](https://qyvea.co.ke/zkteco-k40-zkbio-time-net-guides-kenya). For the full start-to-finish walkthrough with screenshots, read [How to Configure a ZKTeco K40 Pro with ZKBio Time.Net](https://qyvea.co.ke/how-to-configure-zkteco-k40-pro-zkbio-time-net). ZKTeco and ZKBio are trademarks of ZKTeco Inc. Menu names on the K40 Pro and in the software vary slightly by firmware and software version; where yours differ, look for the nearest match. Qyvea is a ZKTeco reseller and installer in Kenya. **Want us to do this for you?**: We supply, install, configure the software, enrol your staff and train your HR team. [Shop ZKTeco K40 terminals →](https://qyvea.co.ke/products/zkteco-k40-fingerprint-time-attendance-terminal-67)[All attendance terminals](https://qyvea.co.ke/products?cat=biometrics&search=attendance)[Ask Qyvea on WhatsApp](https://wa.me/254113301244?text=Hi%20Qyvea%2C%20I%20read%20your%20guide%3A%20How%20to%20Set%20the%20Date%20and%20Time%20on%20a%20ZKTeco%20K40%20Pro.%20I%20need%20help%20with%20a%20ZKTeco%20K40%20Pro.%20Please%20quote%20me.) ## Why customers choose Qyvea **Genuine brands**: Manufacturer warranty on what we sell, so you are not gambling on the box. **One team, start to finish**: The people who advise you also install and support it. **Fast answers**: WhatsApp replies usually within 30 minutes, and delivery within 24 hours in Nairobi. **Easy to buy**: Pay by M-Pesa, bank transfer or card. Free delivery in Nairobi on orders over KES 5,000. **Risk taken off you**: 7-day returns and exchanges on products, and a workmanship warranty on installations. **Customers say so**: Rated 4.6/5 from 57 Google reviews. **Your next step takes one minute:** send us a photo of the place on WhatsApp and we will tell you what it needs. ## Related articles [Biometrics & Attendance · Guide ZKBio Time.Net: How to Add a Device by TCP/IP Add the terminal, test the link and choose Reset or Merge for existing data. 2 min read**READ FULL ARTICLE →**](https://qyvea.co.ke/zkbio-time-net-add-device-tcp-ip)[Biometrics & Attendance · Guide ZKBio Time.Net With Multiple Terminals and Branches Plan areas, IPs and one employee list for several terminals and branches. 2 min read**READ FULL ARTICLE →**](https://qyvea.co.ke/zkbio-time-net-multiple-devices-branches)[Biometrics & Attendance · Guide ZKBio Time.Net: Import Employees From Excel Prepare a clean sheet and import hundreds of staff in one go. 2 min read**READ FULL ARTICLE →**](https://qyvea.co.ke/zkbio-time-net-import-employees-excel) ### Related guides [All ZKTeco K40 and ZKBio guides](https://qyvea.co.ke/zkteco-k40-zkbio-time-net-guides-kenya)[Configure a K40 Pro with ZKBio Time.Net](https://qyvea.co.ke/how-to-configure-zkteco-k40-pro-zkbio-time-net)[Use ZKTeco attendance software](https://qyvea.co.ke/how-to-use-zkteco-attendance-software) ### Related products [ZKTeco K40 terminal](https://qyvea.co.ke/products/zkteco-k40-fingerprint-time-attendance-terminal-67)[ZKTeco K40 price in Kenya](https://qyvea.co.ke/zkteco-k40-price-in-kenya)[ZKTeco attendance machines](https://qyvea.co.ke/zkteco-attendance-machine-price-in-kenya) ### Related services [Biometrics & attendance](https://qyvea.co.ke/biometrics)[Biometric attendance systems](https://qyvea.co.ke/biometric-attendance-systems-kenya) [← Previous**ZKTeco K40 Pro: Export Attendance Data With a USB Flash Drive**](https://qyvea.co.ke/zkteco-k40-pro-usb-download-attendance-data)[Next →**: ZKBio Time.Net: How to Add a Device by TCP/IP**](https://qyvea.co.ke/zkbio-time-net-add-device-tcp-ip) ## Need this system installed? 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