We start gaining overall daylight right after the winter solstice, which is around December 21 in the Northern Hemisphere and around June 21 in the Southern Hemisphere.

Key idea

  • The winter solstice is the shortest day of the year for your hemisphere. After that date, the total time between sunrise and sunset slowly increases each day, even if sunrise and sunset times shift unevenly.

Northern Hemisphere

  • Around latitude 40° N (think New York, Madrid), total daylight begins increasing right after about December 21, even though:
    • The earliest sunset usually happens around December 7–10.
* The **latest sunrise** usually happens in early January (around the 5th).
  • This mismatch is why evenings can feel brighter before mornings start feeling earlier, but the total daylight is already increasing after the solstice.

Southern Hemisphere

  • The same pattern happens in reverse around the June solstice:
    • Shortest day is around June 21.
    • After that date, total daylight gradually increases each day, even though the exact sunrise and sunset times shift asymmetrically.

Why it feels confusing

  • Daylight does not add evenly to both morning and evening:
    • Earth’s tilt and slightly elliptical orbit cause sunrise to keep getting later for a bit even after the solstice, while sunset also gets later, changing the balance of morning vs evening light.
  • So:
    • “When do we start gaining sunlight?” → From the day after your winter solstice.
    • “When do evenings start feeling lighter?” → Usually about 1–2 weeks before the solstice (earliest sunset), and it becomes more noticeable in early January in the Northern Hemisphere.

Quick practical rule

  • Check the date of the winter solstice for your year and hemisphere.
  • From the very next day onward, the total daylight (sunrise-to-sunset length) increases a little bit each day.

Information gathered from public forums or data available on the internet and portrayed here.