Notice of Temporary Service Suspension Due to IT System Maintenance (Saturday, May 2, 2026 – Sunday, May 3, 2026)
Thank you for using Mizuho Bank.
We will be conducting IT system maintenance from Saturday, May 2, 2026, to Sunday, May 3, 2026.
During the dates and times noted below, the services shown will be unavailable.
The suspension schedule may vary by service.
We sincerely apologize for any inconvenience this may cause and ask for your kind understanding.


Request to Our Customers
During the service suspension period, Mizuho Bank and Mizuho Trust & Banking ATM cards cannot be used at any ATMs, including those of Mizuho Bank and other financial institutions and convenience store ATMs.
Transfers via Mizuho Direct online and telephone banking will also be unavailable.
During the service suspension, services such as adding electronic money (e.g., to J-Coin Pay, Mizuho Suica) from Mizuho Bank accounts will also be unavailable.
In addition, transfers from other financial institutions to Mizuho Bank or Mizuho Trust & Banking accounts during the service suspension period may be credited on or after Thursday, May 7, 2026.
Please note that Mizuho JCB Debit, Smart Debit, and Mizuho Business Debit can still be used during the system maintenance period.
We ask that you make necessary preparations in advance, such as using ATMs or Mizuho Direct, and topping up electronic payment services beforehand.
Service Suspension Schedule
From 10:00 PM on Saturday, May 2, 2026 to 5:30 PM on Sunday, May 3, 2026
Note: ATM availability hours may vary depending on the branch or partner financial institution.
Note: Similar system maintenance, including ATM service suspensions in August and October, is to be conducted multiple times in 2026. If there are any changes to the service suspension schedule, updates will be provided on the Mizuho Bank website and other channels.
Note: Depending on maintenance status, services may also be suspended from 10:00 PM on Saturday, June 6, 2026, to 5:30 PM on Sunday, June 7, 2026.