Airlines were grounded, network broadcasts went off their air and banks said their systems were disrupted as a major glitch affected computers globally, hitting the United States and Australia particularly hard.
In Japan, few companies were affected. ANA said it was operating normally, and the departure board at Narita Airport indicated that few flights were canceled. Japan Exchange Group, which owns the Tokyo Stock Exchange, said it was unaffected.
Online banking services of Japan major financial institutions were working, as were Amazon.com and Amazon Web Services, according to users.
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