Skip to main content

Why Our Days Are Getting Longer: Understanding Earth's Tilt and Daylight Changes

WFAAJanuary 15, 20261 min300 views
1 connections·2 entities in this video→

The Science Behind Longer Days

  • 🌍 The primary reason for longer days and later sunsets is Earth's axial tilt.
  • πŸ’‘ Since the winter solstice, which occurred just over three weeks ago, the Northern Hemisphere has been tilting away from the sun, resulting in shorter days.
  • πŸ“ˆ As we move away from the solstice, the tilt gradually shifts, causing the days to become progressively longer.

Changes in Sunrise and Sunset Times

  • πŸŒ… Sunset times are noticeably later now; for example, a sunset that was at 5:23 PM a month ago is now at 5:43 PM.
  • πŸŒ‡ In one month, the sunset will be around 6:07 PM, indicating a significant increase in evening daylight.
  • β˜€οΈ While sunrises are still getting slightly later (e.g., from 7:31 AM to 7:22 AM), they will soon start to occur earlier, with a projected sunrise of 7:15 AM in a month.

Earth's Tilt and Seasonal Changes

  • 🧭 The Earth's tilt is not constant; it changes throughout the year, influencing daylight hours and the apparent position of the sun.
  • ➑️ During winter, the Northern Hemisphere tilts away from the sun, leading to less daylight and sunrises appearing more from the northeast.
  • ↔️ As we approach the vernal equinox, the tilt becomes more diagonal, and sunrises will shift to appear more out of the southeast, moving easterly.

Future Daylight Gains

  • ⏳ We are currently gaining daylight rapidly each day.
  • πŸ“Š In the next month, we can expect to gain an additional 45 to 50 minutes of daylight, making the days feel significantly longer.
Knowledge graph2 entities Β· 1 connections

How they connect

An interactive map of every person, idea, and reference from this conversation. Hover to trace connections, click to explore.

Hover Β· drag to explore
2 entities
Chapters2 moments

Key Moments

Transcript8 segments

Full Transcript

Topics9 themes

What’s Discussed

Earth's TiltWinter SolsticeVernal EquinoxSunrise TimesSunset TimesDaylight HoursNorthern HemisphereSeasonsAxial Tilt
Smart Objects2 Β· 1 links
LocationΒ· 1
ConceptΒ· 1