Gracus Bloom: Health & Humor for City Paper
The Eternal Question: When Should You Sweat?



Some people wake up at 5 a.m. to jog like enlightened forest creatures. Others prefer noon, when the sun is personally trying to fight them. And then there are the dusk exercisers—those mysterious souls who stretch as the sky turns orange and pretend they’re in a movie montage.
So, when is the best sunlight to exercise in? Science has answers. Your body has opinions. And your alarm clock has enemies.
Morning Sun: The Overachiever’s Favorite
Morning sunlight (roughly 6–9 a.m.) is widely considered the healthiest time to exercise. Why?
- Vitamin D boost without extreme UV exposure
- Helps regulate your circadian rhythm (a fancy way of saying you’ll actually sleep at night)
- Cooler temperatures = less “I regret everything” halfway through your jog
Plus, morning light is gentle. It doesn’t judge you. It doesn’t roast you like a rotisserie chicken. It just says, “Hey, let’s try again today.”
Downside:
You have to wake up early. That alone eliminates 73% of the population.
Noon Sun: The Bold (and Slightly Crispy) Choice


Exercising at noon is… ambitious. The sun is at peak intensity, UV levels are high, and your water bottle becomes your best friend and emotional support system.
Pros:
- Maximum vitamin D production
- Good for short, high-intensity workouts
- You’ll feel like a warrior (or a baked potato)
Cons:
- Risk of overheating
- Sunburn potential
- People will question your life choices
Noon workouts are best for quick sessions. Think sprints, not marathons. Think “I’m in control” not “why is everything spinning.”
Dusk Sun: The Romantic Athlete’s Dream
Evening sunlight (5–8 p.m.) is where fitness meets cinema. The lighting is perfect. The air cools down. Suddenly, you’re not just jogging—you’re reflecting on life.
Pros:
- Lower UV exposure
- Muscles are more warmed up from the day
- Stress relief after work
Cons:
- Harder to wind down for sleep afterward
- Bugs. So many bugs.
Still, dusk workouts feel good. You’re not racing the sun—you’re vibing with it.

Rumored “Healthiest Sunlight” Locations
Certain places have gained a reputation (some scientific, some… optimistic) for having particularly “good” sunlight:
- San Diego, California – Mild, consistent sunshine that doesn’t try to destroy you
- Boulder, Colorado – High altitude = stronger sun, but cooler temps balance it out
- Nice, France – Mediterranean glow that makes even walking feel like exercise
- Byron Bay, Australia – Sunrise workouts here come with ocean views and existential clarity
Are these places scientifically superior? Maybe. Or maybe they just have better Instagram lighting.
So… What’s the Verdict?
- Best overall: Morning sunlight
- Best for intensity: Noon (short bursts only, please hydrate like your life depends on it—because it does)
- Best for enjoyment: Dusk
The truth is, the best time to exercise is whenever you’ll actually do it. Morning people will swear by sunrise. Night owls will defend dusk like it’s a personality trait.
Final Thought
Your body doesn’t care if the sun is rising, blazing, or setting. It cares that you showed up.
So pick your light:
- Gentle morning glow
- Aggressive noon spotlight
- Dreamy sunset filter
Just maybe avoid all three in one day unless you’re training for something extreme—or you simply forgot what “rest day” means.
Either way, get outside, move around, and let the sun do its thing.
Preferably without turning into toast.
