Diapharma’s regular business hours:
- Monday through Thursday, 8am to 5pm Eastern Standard Time with limited phone support available until 8pm
- Friday, 8am to 1pm Eastern Standard Time with limited phone support available until 5pm
Diapharma’s “summer hours”:
- Monday through Thursday, 8am to 5pm Eastern Standard Time with limited phone support available until 8pm
- Friday, off, June, July and August