Translation guide
This phrase is used to mark a special event or time when something happens. In Japanese, it is often expressed with set patterns rather than a single word.
To say that something happens at the time of a notable event, such as a ceremony, anniversary, or celebration.
A formal pattern used for important occasions. It attaches to nouns or verbs in dictionary form.
On the occasion of the opening, I would like to say a few words.
On the occasion of graduation, I expressed my gratitude to the teachers.
Similar to に際して, but slightly less formal. Used for significant events or new beginnings.
A polite, somewhat literary expression. Often used in letters or formal speech.
Very polite and formal, used in business or honorific contexts. Often in set phrases like お忙しい折.
Used specifically for commemorative events, like anniversaries or memorials.
Both mean 'on the occasion of,' but に際して is more formal and often used in official announcements. にあたって is slightly more personal and can be used for life events.
On the occasion of her birthday, we threw a party.
On the occasion of the new year, I talked about my aspirations.
On the occasion of our marriage, we bought a new house.
On the occasion of your birthday, I sent a present.
On the occasion of your busy schedule, I apologize for the intrusion, but please check.
On the occasion of the 50th anniversary, a ceremony was held.
On the occasion of the opening, the president gave a speech.
On the occasion of my departure, I said goodbye to my family.
Do not translate 'on the occasion of' word-for-word as 場合に or 時に, as these sound unnatural for special events. Use the patterns above instead.
On the occasion of the company's founding, a ceremony was held.