Radio Exterior de España has posted an updated broadcast schedule (in Spanish) on their website. I have translated and pasted the shortwave schedules below:

Radio Exterior de España transmits its programming from 18:00 to 22:00 hours, Coordinated Universal Time, Monday through Friday. Broadcast frequencies and coverage areas are:

• Africa and South Atlantic, 15,450 Khz , 19 meter band.
• South America, 17,715 Khz , 16 meter band.
• North America, 17,855 Khz , 16 meter band.
• Middle East and Indian, 15,490 Khz , 19 meter band.

And on Saturdays and Sundays:

• Africa and South Atlantic, 21,620 Khz band of 13 meters (14 to 18 hours), and 15,450 kHz band of 19 meters (18 to 22 hours).
• South America, 17,715 Khz band of 16 meters (14 to 18 hours).
• North America, 17,855 Khz band of 16 meters (14 to 18 hours).
• Middle East and Indian, 15,490 Khz band of 19 meters (14 to 18 hours).

(In case you’re keeping tabs: yes, REE is still on the air, though basically as a relay of RNE.)