Article Detail Which is the shortest day in the year ? Answer: December 22 Similar Questions : 1. Longest rail tunnel in the world ? Answer: Seikan Tunnel (Japan - 53.9 Km) 2. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) 3. Which is Longest national highway of India ? Answer: NH-7 ( Varanasi to Kanyakumari - 2,369 km) 4. Which is the longest road in India ? Answer: Grand Trunk Road (2500 Km) 5. Which is the biggest museum in the world ? Answer: British Museum, London 6. Which is longest railway station ? Answer: Grand Central Terminal, Chicago(USA). 7. Which is biggest planet ? Answer: Jupiter Read more from - Longest and Largest