Every hour a Spark Core event is generated. This is useful in combination with Spark Core firmware that listens to this event, takes some action and publishes another event. This can be picked up by other recipes, such as https://ifttt.com/recipes/246322-save-data-from-spark-core-in-google-spreadsheet
Then
Publish an event
This Action publishes an event back to your Device(s), which you can catch with particle.subscribe.
Explore more great ways to automate Particle and Date & Time