1. The time is in 12/24 hour format. There are 2 different regional time settings. Date and workday display. Continuous calendar to 2099 years. 2. Alarm clock and snooze function can also set special days for important date notification. 3. The indoor temperature display has the option of ℃ or ℉. Thermometer: indoor measurement range: - 9 ° C~50 ° C (calibration time: 30 seconds) 4. Ultra - Precise Atomic Timekeeping: This multi - functional radio - controlled clock receives atomic time signals, ensuring pinpoint accuracy at all times. Say goodbye to time adjustments as it automatically synchronizes, keeping you punctual for every event, whether it's a business meeting or your favorite TV show. Versatile Functionality: Beyond its precise timekeeping, this clock offers a plethora of functions. It features an alarm system to wake you up gently or with a jolt, a calendar to keep track of dates, and often additional features like temperature display, making it a one - stop device for all your time - related and informational needs.