solar

package

v1.0.0 Latest Latest Go to latest Published: Apr 28, 2026 License: AGPL-3.0 Imports: 2 Imported by: 0

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Valid go.mod file
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Repository

github.com/fjaeckel/ninerlog-api

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Documentation ¶

Index ¶

func IsNight(t time.Time, latitude, longitude float64) bool
type SunTimes
- func Calculate(date time.Time, latitude, longitude float64) SunTimes

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func IsNight ¶

func IsNight(t time.Time, latitude, longitude float64) bool

IsNight returns true if the given UTC time is before sunrise or after sunset.

Types ¶

type SunTimes ¶

type SunTimes struct {
	Sunrise time.Time
	Sunset  time.Time
}

SunTimes holds sunrise and sunset times for a given date and location.

func Calculate ¶

func Calculate(date time.Time, latitude, longitude float64) SunTimes

Calculate computes sunrise and sunset UTC times for a given date, latitude, and longitude. Uses the NOAA Solar Calculator algorithm. Zenith = 90.833 (official sunrise/sunset with refraction).

Source Files ¶

View all Source files

solar.go

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