Living Person
Leiden
is
As of April 17, 2026
3 years old
2 months!
Days Until Birthday
288 days
Days Since Birth
1,172 days
elapsed
Date of Birth
(January 31born, 2023 ) is
Tue
Day
Rabbit
Year
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
Cosmic Age Calculator
Moon
42.9 years old
Mercury
13.3 years old
Venus
5.2 years old
Mars
1.7 years old
Jupiter
0.3 years old
Saturn
0.1 years old
* Calculated based on each planet's orbital period.
Leiden | |
|---|---|
City and municipality | |
Rapenburg Koornbrug Aalmarkt Steenschuur Topographic map | |
 Flag  Coat of arms | |
| Nickname: Sleutelstad (Key City) | |
 Interactive map of Leiden | |
  Leiden Location within the Netherlands  Leiden Location within Europe | |
| Coordinates: 52°10′N 4°29′E / 52.16°N 4.49°E | |
| Country | Netherlands |
| Province | South Holland |
| Government | |
| • Body | Municipal council |
| • Mayor | Peter Heijkoop (CDA) |
| Area | |
• Municipality | 23.27 km (8.98 sq mi) |
| • Land | 21.91 km (8.46 sq mi) |
| • Water | 1.36 km (0.53 sq mi) |
| Elevation | 0 m (0 ft) |
| Population (Municipality, January 2021; Urban and Metro, May 2014) | |
• Municipality | 124,093 |
| • Density | 5,664/km (14,670/sq mi) |
| • Urban | 238,493 |
| • Metro | 344,299 |
| Demonym | Leidenaar |
| Time zone | UTC+1 (CET) |
| • Summer (DST) | UTC+2 (CEST) |
| Postcodes | 2300–2334 |
| Area code | 071 |
| Website | gemeente |
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