Sign In

Solar Year Calendar 2025 (Solomon Islands)

Sun

The following solar calendar shows information relevant to Honiara, Solomon Islands about the sunrise and sunset times and day length during 2025.

Choose a country from the list to get relevant information:

Length of Days in Honiara

We show daylight length in Honiara during 2025 and the equinoxes and solstices. From June 1, 2025 until June 20, 2025, daylight becomes shorter. From June 21, 2025 until June 22, 2025, daylight becomes longer. From June 23, 2025 until December 21, 2025, daylight becomes longer. From December 22, 2025 until December 23, 2025, daylight does not vary. From December 24, 2025 until May 31, 2026, daylight becomes shorter.

Daylength 
Winter Solstice 
Vernal Equinox 
Summer Solstice 

Equation of Time vs Day of the Year

We show the equation of time during 2025. In the graph, the day of the year in the x axis starting from January, and the difference between mean solar time and apparent solar time in the y axis.

The day with the highest negative value is Sunday, September 14 2025.

The day with the highest positive value is Thursday, June 5 2025.

Apparent solar time and mean solar time are of the same length on the following days of the year:

  1. Monday, January 13 2025 (Day 13)
  2. Thursday, April 3 2025 (Day 93)
  3. Monday, July 28 2025 (Day 209)
  4. Sunday, November 16 2025 (Day 320)

Equation of Time 
Autumnal Equinox 
Winter Solstice 
Vernal Equinox 
Summer Solstice 

Schedule of Solar Events

Time of sunrise, sunset, dawn and dusk in Honiara during 2025.

    Solar Noon 
    Content last updated on 2016-10-26