0°

0° or 0 degrees may refer to:

• Longitude: the prime meridian on any planet or moon
  • For most of the 20th century on Earth, the prime meridian (Greenwich)
  • IERS Reference Meridian, the modern reference meridian for time and global navigation on Earth
• Latitude: the equator
• freezing point of water (Celsius)
• absolute zero, the lower limit of the thermodynamic temperature scale (Kelvins)
• 0 degrees Fahrenheit, approximately -17.78 degrees Celsius

• 0 (disambiguation)