This is a simple guide to perform an adsync full or delta sync trough powershell
First, import the module:
Import-Module ADSync

Then, you could two way.
First a Delta import
Start-ADSyncSyncCycle -PolicyType Delta
Secondly is a full import
Start-ADSyncSyncCycle -PolicyType Initial
Finally, you could check the scheduler to see when the sync will happen .
Get-ADSyncScheduler
