GCMS Plus Customer Support


GCMS Plus System Maintenance Information

Maintenance in January 2026
Weekly scheduled maintenance:
Second Weekend: Sat.22:00～Mon. 02:00 JST
First, Third～Fifth Weekend : Sun.03:30～Mon.02:00 JST

Additional maintenance:
03:30 JST Sun. Dec. 28, 2025 to 02:00 JST Mon. Dec. 29, 2025
22:00 JST Sat. Jan. 03 to 02:00 JST Mon. Jan. 05
22:00 JST Sat. Jan. 10 to 02:00 JST Mon. Jan. 12
22:00 JST Sat. Jan. 17 to 02:00 JST Mon. Jan. 19
03:30 JST Sun. Jan. 25 to 02:00 JST Mon. Jan. 26

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