System Maintenance Schedule
Our system upgrade has been scheduled as follows. The affected services will not be available during those period.
| Services Affected | Date / Time | |
|---|---|---|
| From | To | |
|
CMB Wing Lung NET Banking Services CMB Wing Lung Phone Banking Services CMB Wing Lung NET Securities Services Securities A/C Opening Securities Trading IPO Centre Corporate Action Reg. for US Securities Securities Deposit Instruction HKIRD Authorization General Meeting Virtual Asset Assessment Account Enquiry Derivatives Certification |
29AUG 2026 (SAT) 14:00 |
29 AUG
2026 (SAT) 16:00 |
|
CMB Wing Lung Bank Mobile App |
30 AUG 2026 (SUN) 17:00 |
30 AUG
2026 (SUN) 18:30 |
|
CMB Wing Lung ATM Card Services |
30 AUG 2026 (SUN) 22:00 |
30 AUG
2026 (SUN) 24:00 |
Should you have any enquiries, please contact our Customer Services Hotline at (852) 2309 5555.
Regular Schedule
| Services Affected | Date | Time |
|---|---|---|
| CMB Wing Lung NET Securities Services | Monday to Saturday* | 06:00 to 06:15 |
| CMB Wing Lung NET Credit Card Services | Monday to Friday* | 01:00
to 02:30 (30 minutes) 02:30 to 03:30 (10 minutes) |
| CMB Wing Lung e-Statement Services | First working day of the third week of the month | 17:00 to 17:30 (30 minutes) |
| CMB Wing Lung Bank Mobile App | Monday to Friday* | 07:00 to 08:00 (5 minutes) |
| Monday to Saturday | 00:00 to 01:00 (5 minutes) | |
| Sunday | 08:00 to 09:00 (5 minutes) | |
| EPS
Services PPS Services |
Tuesday to Sunday | 00:00 to 04:00 (90 minutes) |
- *except public holidays

