dayPhase {sonicscrewdriver}

Phase of day

Description

Given a start time and (optionally) a duration returns the phase of day at a given location. This is primarily used to calculate phase of day information for soundscape recording projects.

Usage

dayPhase(
  time = Sys.time(),
  duration = 40000,
  lat = 50.1,
  lon = 1.83,
  tz = "UTC"
)

Arguments

time

A time object representing the start time of a recording

duration

Duration of recording

lat

Latitude of recording device

lon

Longitude of recording device

tz

Time-zone of recording device when recording was made

Value

Data frame of day phases with absolute timestamps and relative times within file