A plane flying from San Francisco to Tokyo is approaching the date line. On board, the exact standard time is 16h 22m

A plane flying from San Francisco to Tokyo is approaching the date line. On board, the exact standard time is 16h 22m and the date is December 31. After 5 minutes, he crossed the date line. What was the standard time and date right after that?

January 1st, 15h 27m. (Date and time zone changed).

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