Logged VOA Deewa Radio in Pashto on 621 kHz on 2nd May during check at around 1750 UTC , this is via the new MW transmitter site in Afghanistan located in Tani-Khost (33°19'54.76N, 69°56'10.84E), near airport. A 200 kW Harris -transmitter was installed recently.
Schedule : 0100-0400 & 1300-1900 UTC on 621 kHz in Pashto
However this frequency is still not listed on the VOA schedule page :
Here's an audio file :