OpsClock



            
            ☢ Doomsday Clock
            
            
                11:58:35
                85 seconds to midnight
            
            
                Set January 27, 2026 — closest ever

                Bulletin of Atomic Scientists ↗
            
        
    
            
            🔴 Mars Sol Clock
            🔴
            
                Sol ---
                --:--:--
                Mars Solar Time (MTC)
            
            
                Sol length24h 39m 35s
                Mars year687 Earth days
                Drift vs Earth+39m 35s/day
            
            
                Mars Coordinated Time (MTC)

                Longitude 0° — Airy-0 crater

                NASA Mars24 ↗
            
        
    
            
            🌙 Lunar Clock
            🌑
            
                --
                --d --h --m --s
                Elapsed in lunar day
            
            
                
                    
                
                
                    New MoonFull MoonNew Moon
                
            
            
                Lunar day = 29d 12h 44m 3s

                No official timekeeping — missions use UTC

                NASA Moon Science ↗
            
        
    
            
            ⚛ Atomic Clock
            
                --:--:--.000
            
            --
            Detecting timezone…
            UTC: --:--:--
            
                Synced to browser · NTP-accuracy

                Caesium-133: 9,192,631,770 Hz