In most major Canadian cities, the difference between the longest and shortest days of the year is significant. Toronto sees around 15 hours of daylight in late June and fewer than 9 in late December. In Edmonton and Calgary, that swing is even wider. For anyone working from home year-round, a lighting setup that works in July will likely be inadequate in January — and vice versa.
The two problems that lighting needs to solve
Most workspace lighting problems fall into two categories: too much light in the wrong direction, and not enough light overall. Both cause eye fatigue, but through different mechanisms.
Glare and contrast
Screen glare occurs when a light source — natural or artificial — is brighter than the screen or creates a reflection on it. The most common sources in Canadian home offices are windows positioned in front of or behind the monitor. In summer, even a north-facing window in a city like Ottawa can produce enough ambient brightness to create contrast problems. The solution is to position the desk so the screen is perpendicular to windows — with the window to the left or right, not directly ahead or behind.
Insufficient ambient light
In winter, working hours extend well beyond daylight. Rooms with only overhead lighting — a single ceiling fixture — create zones of shadow that force the eyes to constantly readjust as they move between the screen and the rest of the room. Adding a secondary ambient light source, positioned to raise the general brightness of the room without pointing directly at the screen, reduces this adjustment load.
Layered lighting in practice
Lighting designers and ergonomics guides consistently recommend a three-layer approach for workspaces: ambient, task, and accent. In a home office context, this simplifies to two practical elements:
- Ambient light: Raises the overall brightness of the room. A floor lamp in the corner, a wall-mounted fixture, or additional ceiling lights. Colour temperature in the range of 3000–4000K reads as neutral to cool white — closer to daylight than warm incandescent, which can make screens appear more saturated by contrast.
- Task light: A desk lamp positioned to the side of the monitor (left for right-handed users, right for left-handed) that illuminates the desk surface and keyboard without creating screen reflection. Adjustable arm lamps allow repositioning as the season and time of day change.
Colour temperature note: Bulbs labelled "daylight" are typically 5000–6500K. These can feel harsh for evening work. A lamp with adjustable colour temperature — sold by brands available at Costco, Canadian Tire, and most major online retailers — lets you shift from cool white during the day to warmer tones in the evening.
Natural light positioning
Canadian apartments and houses frequently orient main rooms toward the street, which can mean north-facing windows in some configurations. North-facing windows receive no direct sun, which is actually preferable for screen work — the light is diffuse and relatively consistent throughout the day. South-facing windows receive the most direct light and require window coverings (blinds, sheer curtains) to manage glare, especially from late morning through afternoon.
East-facing windows create morning glare during the hours when many people start work. West-facing windows create afternoon glare that intensifies in summer. In both cases, positioning the desk perpendicular to the window — rather than facing it — is the most straightforward fix that doesn't require any structural change.
Seasonal adjustments
A setup that works in summer may need modification in winter. In practice this usually means:
- Adding or activating a floor or table lamp during the darker months.
- Adjusting monitor brightness — screens often appear too bright relative to a dim room in winter and should be lowered.
- Considering a daylight lamp (10,000 lux) for early morning or late afternoon use during winter months, particularly relevant in northern cities where sunrise can occur after 9am in December.
Natural Canada health guidance on light and seasonal mood effects is available through Health Canada.
Monitor settings as a lighting complement
Lighting setup and monitor calibration interact. A monitor set to maximum brightness in a dim room creates significant eye strain. The general principle is that monitor brightness should match ambient room brightness — so as the room dims in the evening, the screen should dim too. Most operating systems include automatic brightness adjustment, and software like f.lux shifts colour temperature automatically across the day, though opinions vary on its effectiveness for precision work.
Video calls and directional light
For video calls — increasingly common for remote workers across Canada — face-level lighting matters independently of desk task lighting. A ring light or a bright lamp positioned at face height, in front of and slightly above the monitor, illuminates the face evenly. A window behind the speaker creates a silhouette effect that makes them appear dark on video regardless of how well-lit the room otherwise is.
See also: How to Zone Your Home Workspace and Ergonomics for Compact Desks.