Appendix C — Religious and Festival Calendar

This is a practical, working calendar of the major religious holidays and festivals you are likely to bump into when living, traveling, or doing business across Eastern cultures. Chapter 25 covers the why — how holidays reveal what a culture treasures. This appendix is the when and the what to do.

Three cautions before you use it:

  • Dates shift every year. Most of these festivals run on lunar or lunisolar calendars, so they slide against the Western (Gregorian) calendar — often by two to four weeks. Always confirm the exact date for the specific year and country before you plan around it. The "roughly when" column is a starting point, not a fixed date.
  • The same festival is not the same everywhere. Lunar New Year in Beijing, Seoul, and Hanoi share roots but differ in food, ritual, and feel. Treat the notes below as patterns, not laws.
  • Regions and religions overlap unevenly. A festival that empties offices in one country may pass quietly in the next. When in doubt, ask a local colleague — the question itself reads as respect.

Quick-reference table

FESTIVAL              ROUGHLY WHEN (Gregorian)      CALENDAR        WHERE (mainly)
--------------------  ----------------------------  --------------  -----------------------------
Lunar New Year /      Late Jan – mid Feb            Lunisolar       China, Korea (Seollal),
  Spring Festival                                                   Vietnam (Tet), diaspora
Holi                  March (full moon, Phalguna)   Lunisolar       India, Nepal, Hindu diaspora
Songkran              13–15 April (fixed)           Solar/trad.     Thailand (also Laos, Cambodia)
Vesak (Buddha Day)    April or May (full moon)      Lunisolar       Sri Lanka, SE Asia, E Asia
Ramadan (month)       Shifts ~11 days earlier/yr    Lunar (Islamic) Muslim-majority regions
Eid al-Fitr          End of Ramadan                Lunar (Islamic) Muslim-majority regions
Eid al-Adha          ~2 months 10 days after Fitr  Lunar (Islamic) Muslim-majority regions
Obon                 Mid-August (often 13–15 Aug)  Trad./lunar     Japan
Mid-Autumn Festival  Sept – early Oct (full moon)  Lunisolar       China, Vietnam; related to —
Chuseok              Sept – early Oct (full moon)  Lunisolar       Korea
Diwali               Oct – Nov (new moon, Kartik)  Lunisolar       India, Nepal, Hindu diaspora

Lunar New Year / Spring Festival

Roughly when: Late January to mid-February. What it means: The most important holiday across much of East Asia — a time for family reunion, honoring ancestors, settling debts, and starting fresh. Known as the Spring Festival (China), Seollal (Korea), and Tet (Vietnam). Expect multi-day office and factory closures; travel networks strain under the largest annual human migration on Earth.

What to do: Do not schedule meetings, launches, or deadlines across this window — plan well around it. Offer a greeting: Mandarin Xin nian kuai le ("Happy New Year") or Gong xi fa cai ("wishing you prosperity"); Korean Saehae bok mani badeuseyo; Vietnamese Chuc mung nam moi. If you have a close relationship, a small gift or a hongbao (red envelope with crisp, new money) to children or junior staff is warmly received — give and receive with both hands.

Diwali

Roughly when: October–November (new moon of Kartik). What it means: The Hindu (also Jain, Sikh) "festival of lights" — the triumph of light over darkness. Homes glow with oil lamps; families exchange sweets and gifts; for many businesses it marks a new financial year.

What to do: Greet with Happy Diwali or Diwali ki shubhkamnayein. Sweets or dry fruits make an ideal gift; avoid leather and alcohol. Allow schedule flexibility for Hindu, Jain, and Sikh colleagues.

Holi

Roughly when: March (Phalguna full moon). What it means: The exuberant Hindu "festival of colors" celebrating spring and the loosening of social rank, as people drench one another in colored powder and water.

What to do: If invited to play, wear old clothes and join in — refusing the colors can read as standoffish, though a polite "just a little" is fine. Greet with Happy Holi. Confirm before assuming a normal workday.

Ramadan, Eid al-Fitr, and Eid al-Adha

Ramadan (month) shifts about eleven days earlier each year, cycling through all seasons. It is the Islamic month of dawn-to-sunset fasting, prayer, charity, and reflection. What to do: Do not eat, drink, or smoke in front of fasting colleagues; schedule lighter days and avoid working lunches; greet with Ramadan Kareem or Ramadan Mubarak. Energy often runs low late in the day — be patient and flexible.

Eid al-Fitr ends Ramadan with feasting and joy; Eid al-Adha (the "Feast of Sacrifice," about two months and ten days later) coincides with the Hajj pilgrimage. Both bring public holidays. What to do: Greet with Eid Mubarak. Expect closures of several days; plan around them. If hosted, accept hospitality graciously and remember that food served will be halal.

Obon

Roughly when: Mid-August (commonly 13–15 August). What it means: A Japanese Buddhist observance welcoming ancestors' spirits home, marked by family visits, grave-cleaning, lanterns, and bon dancing. Many businesses pause for Obon week.

What to do: Avoid scheduling across the period; expect travel congestion. No special greeting is needed — a simple acknowledgment that colleagues are returning to their hometowns shows awareness.

Chuseok and Mid-Autumn Festival

Roughly when: September to early October (harvest full moon). Chuseok is Korea's harvest-thanksgiving and ancestral-rites holiday — a major multi-day reunion. The related Mid-Autumn Festival in China and Vietnam centers on family, the full moon, and mooncakes.

What to do: Do not plan deadlines across Chuseok; greet with Chuseok jal bonaeseyo. In China, mooncakes are a classic gift — give and receive with both hands; wish others Zhong qiu jie kuai le.

Songkran

Roughly when: 13–15 April (fixed). What it means: Thailand's traditional New Year and water festival — water is poured as a blessing of cleansing and renewal, and the streets become a nationwide, joyful water fight.

What to do: Expect a near-total shutdown of business; do not plan to work. If you join the festivities, embrace getting soaked with good humor (sanuk). Pouring a little water gently over an elder's hands is a respectful gesture; greet with Sawasdee Pee Mai.

Vesak (Buddha Day)

Roughly when: April or May (full moon). What it means: The most sacred Buddhist holiday, marking the Buddha's birth, enlightenment, and passing. Observed across Sri Lanka, Southeast Asia, and parts of East Asia with temple visits, offerings, and acts of merit; alcohol sales are often restricted.

What to do: Keep social plans quiet and respectful; do not push alcohol. At temples, dress modestly and remove shoes. A simple Happy Vesak is welcome.

Dates are approximate and shift yearly; always verify the exact date for the specific country and year. For the religious traditions behind these festivals, see Chapter 11; for gift-giving etiquette, see Chapters 10, 22, and 25.