Time synchronization interval under Windows

How to modify the time synchronization interval under Windows follow these steps:

1. Open the registry: Enter regedit under Start menu → run item (or press WIN+R) into the Registry Editor.

2. Modify the default time server IP:

Expand the Hkey_local_machine->system->currentcontrolset->services->w32time->parameters branch, Double-click NtpServer to change the key value to the IP address of the National Service Center server: 210.72.145.44, and then click the "OK" button to save.

3. The correction period is one day:

Expand hkey_local_machine->system->currentcontrolset->services->w32time->timeproviders-> NtpClient Branch, and double-click the SpecialPollInterval key value, select the "Cardinality column" in the dialog box to "decimal", the number displayed in the input box is the interval (in seconds) of the automatic alignment, such as the default of 604800 is 7 (days) x24 (time) x 60 (min) x60 (seconds) calculated. Set the time synchronization period is one day, that is, 24 hours (86,400 seconds), fill in the dialog box, select Decimal to fill 86400, choose Hex to fill 15180, click OK to save close the dialog box.

Time synchronization interval under Windows