There is not usually much to see at an observatory during the day, but the Prague Observatory has these sundials outside.
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| Can you tell what time it was? |
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| An analemma. This plots the position of the sun in the sky at the same time of the day for each day of the year. Usually, an analemmatic sundial is horizontal and has a movable vertical gnomon, so I am not sure how this one works. |
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| 26 March 2019 13:07:53 |
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| 26 March 2019 13:08:01 |
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| 26 March 2019 13:08:21 |
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