The processing time in visa cases is 15 days, when all required documentation has been provided. The 15 days is counted from when you have filled in your via application online AND your personal appointment at the Danish Embassy in Reykjavik has taken place for handing in your documents and obtaining your biometrics.
In cases where the processing requires further enquiries or submission to the Danish Immigration Service, the maximum processing time is 45 days.
Please find information about visa application procedures here:
Visa to Greenland and the Faroe Islands: Visa for the Faroe Islands and Greenland
Visa to Denmark concerning residence and work: Residence and Work permits