It's OK Day (Ii Yo no Hi)

What is It's OK Day (November 4th)?

November 4th is known in Japan as "It's OK Day" (Ii Yo no Hi). The date comes from a play on numbers: "11" can be read as "ii," meaning "good," and "4" can be read as "yo"—together forming "ii yo," a warm, everyday Japanese phrase that means something like "sure, that's fine" or "it's okay." "Ii yo" is a particularly warm and affirming expression of agreement and acceptance in Japanese. This day is recognized as an opportunity to reflect on the importance of responding to the people we care about with a warm "sure, that's fine" or "don't worry about it."

The Power of the Words "Ii Yo"

Whenever someone asks another person for something, they carry a quiet anxiety about being turned down. A simple "ii yo" ("sure, that's fine") in response is proof of trust and acceptance. It's not just a yes—it's a message that says, "I care about you." In any relationship—parent and child, spouses, friends, or colleagues—being able to say "ii yo" to one another helps build a community with a strong sense of psychological safety.

It's Also Important to Say No

It's OK Day isn't meant to encourage people to say yes to everything, no matter the cost. Being honest about your own situation, and saying something like "Sorry, that's tough for me right now" when you genuinely can't help, is also an important form of communication. What matters most is approaching the other person sincerely—and within that kind of honest relationship, a natural, heartfelt "ii yo" can flourish.

Small Actions You Can Take Today

• When family or friends ask you for something, try responding with "sure, that's fine" a little more readily than usual
• When a child asks, "Can I do this?", take a moment to really listen and respond thoughtfully
• Send yourself a message of self-acceptance: "It's okay to be like this"
• When a colleague comes to you with a concern at work, start by simply listening