Daehan · 대한 — The Deepest Winter Season in Korean Medicine
Duration: Daehan typically lasts from January 20 to February 3, ending just before the start of Ipchun, the beginning of spring.
Daehan or 대한(大寒), meaning “Great Cold,” is the final seasonal marker in the 24 Jeolgi, the traditional seasonal calendar used in Korean medicine to guide lifestyle, diet, and treatment throughout the year.
Daehan marks the deepest and most inward phase of winter—a period focused on conserving energy and preparing the body for the gradual return of spring.
What’s Happening in the Body During Daehan
In Korean medicine, winter is governed by the Kidney system, which stores vitality, supports immunity, and regulates long-term energy reserves.
During Daehan:
Energy is stored at its deepest level
Cold and dryness place stress on the kidneys and nervous system
Fatigue, stiffness, and lower back discomfort may increase
This is not a time to push the body, but to protect and restore foundational energy.
How to Prepare During Daehan
Seasonal care during Daehan emphasizes stability and warmth:
Keep the lower back, feet, and abdomen well protected
Prioritize sleep and regular, warm meals
Reduce overwork and unnecessary stimulation
These practices help prevent depletion and support a smoother transition into spring.
Best Teas for Daehan
Gentle warming teas are ideal during this period:
Cinnamon & Tangerine Peel Tea — warms the core and supports digestion
Astragalus Tea — strengthens immunity and builds winter reserves
Roasted Barley Tea — grounding hydration without cooling the body
Seasonal Foods for Daehan
Foods should be warm, soft, and deeply nourishing:
Pine Nut Juk (잣죽) — supports brain function and kidney energy
Bone Broth — replenishes qi and supports recovery
Steamed Root Vegetables — grounding and easy to digest
These foods help the body store energy rather than expend it.
Recommended Acupuncture During Daehan
Acupuncture treatments during Daehan focus on:
Supporting kidney and immune function
Improving circulation while preserving energy
Preparing the body for seasonal transition
This is an ideal time for preventive care, strengthening the foundation before spring activity increases.
Seasonal Reflection
Daehan represents the stillest point of the year.
Rest and nourishment now create strength, clarity, and resilience in the months ahead.
