Sign In

Solar Year Calendar 2023 (VietNam)

Sun

The following solar calendar shows information relevant to Hanoi, VietNam about the sunrise and sunset times and day length during 2023.

Choose a country from the list to get relevant information:

Length of Days in Hanoi

We show daylight length in Hanoi during 2023 and the equinoxes and solstices. From June 1, 2023 until June 21, 2023, daylight becomes longer. From June 22, 2023 until December 21, 2023, daylight becomes shorter. From December 22, 2023 until May 30, 2024, daylight becomes longer.

Daylength 
Summer Solstice 
Autumnal Equinox 
Winter Solstice 

Equation of Time vs Day of the Year

We show the equation of time during 2023. 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 Thursday, September 14 2023.

The day with the highest positive value is Tuesday, June 6 2023.

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

  1. Friday, January 13 2023 (Day 13)
  2. Tuesday, April 4 2023 (Day 94)
  3. Friday, July 28 2023 (Day 209)
  4. Thursday, November 16 2023 (Day 320)

Equation of Time 
Vernal Equinox 
Summer Solstice 
Autumnal Equinox 
Winter Solstice 

Schedule of Solar Events

Time of sunrise, sunset, dawn and dusk in Hanoi during 2023.

    Solar Noon 
    Content last updated on 2016-10-26