- Airport Code LookupLook up an airport by IATA or ICAO code, name, or city, or enter two to get the great circle distance and bearing.iata code lookupicao code lookup
- Coordinate ConverterConvert between decimal degrees, DMS, UTM, MGRS, Plus Codes and geohashes in any direction.lat long to utmmgrs converterutm to lat long
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- Distance and Bearing CalculatorGreat circle and WGS84 distance, initial and final bearing, midpoint, and magnetic declination between coordinates.bearing calculatorvincenty distance
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- Sun & Golden Hour CalculatorSunrise, sunset, twilight, golden hour and shadow angles for any spot on any date.blue hour times
- Wikidata Cities DatabaseBrowse and query a self-contained SQLite database of 7,622 world cities and 255 countries with curated starting queries.cities databasesqlite citiesworld cities sql