A curiosity is to be found at Teatralny Square: here is a symbol of the meridian of 21°00'in a Eastern longitude running through Warsaw. Whis designated line connects the clock tower on Jabłonowski Palace to the huge pilar standing in the parking lot in front of the National Opera. Altough it is surrounded by an intricate metal fence, you need to truly keep an eye out for it, as it is often obscured by parked cars.
Since Coordinated Universal Time (UTC) is fixed relative to the zero meridian passing through Greenwich, local time is then determined in each country's capital. The time deifference, for example, between Warsaw and Paris is therefore one hour and fourteen minutes.
Teatralny Square takes its name from the monumental Grand Theatre (Teatr Wielki), which houses both the National Opera and the National Theatre.
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