// Message representing one dispatch
// Note: Timestamps are in UTC. Each microgrid is responsible for translating the UTC timestamp to its local time.
message Dispatch {
  // ... existing fields ...

  // The creation time in UTC
  // This is set when a dispatch is created via the create request message
  google.protobuf.Timestamp create_time = 4;

  // The update time in UTC
  // This is set when a dispatch is modified via the update request message
  google.protobuf.Timestamp update_time = 5;

  // The start time in UTC
  google.protobuf.Timestamp start_time = 6;

  // The end time in UTC
  google.protobuf.Timestamp end_time = 7;

  // ... existing fields ...

  // The recurrence rule
  RecurrenceRule recurrence = 12;
}

// Ruleset governing when and how a dispatch should re-occur
//
// Timezone Note: Timestamps are in UTC. It is the responsibility of each microgrid to translate UTC 
// to its local timezone.
//
// This definition tries to adhere closely to the iCalendar specification (RFC 5545),
// particularly for recurrence rules. For advanced use-cases or further clarifications,
// refer to RFC 5545.
//
message RecurrenceRule {
  // ... existing fields ...
}