Patent ID: 8144548

Claim:
An electronic device that corrects its device side time with time correction information supplied from outside the device, comprising: a reception section that receives the time correction information; a time correction section that judges, when the reception section receives the time correction information, whether a correction inhibiting period is set or not, then either discards the time correction information if the correction inhibiting period is set, or corrects the device side time with the time correction information that the reception section receives if the correction inhibiting period is not set; a memory section that stores application programs using the device side time; and a control section that executes the application programs, wherein each of the application programs sends starting notifications to the control section when the application programs start time correction process in response to receipt of the time correction information, and end notifications to the control section when the application programs end the time correction process, and the correction inhibiting period is set between a first notification of the starting notifications and a last notification of the end notifications.