diff --git a/src/epoch.ts b/src/epoch.ts
index 8a7934f..af4fe8e 100644
--- a/src/epoch.ts
+++ b/src/epoch.ts
@@ -1,21 +1,30 @@
+import debug from "debug";
+
 const DefaultEpochUnitSeconds = 10; // the rln-relay epoch length in seconds
 
+const log = debug("waku:rln:epoch");
+
 export function dateToEpoch(
   timestamp: Date,
   epochUnitSeconds: number = DefaultEpochUnitSeconds
 ): number {
   const time = timestamp.getTime();
-  return Math.floor(time / 1000 / epochUnitSeconds);
+  const epoch = Math.floor(time / 1000 / epochUnitSeconds);
+  log("generated epoch", epoch);
+  return epoch;
 }
 
 export function epochIntToBytes(epoch: number): Uint8Array {
   const bytes = new Uint8Array(32);
   const db = new DataView(bytes.buffer);
   db.setUint32(0, epoch, true);
+  log("encoded epoch", epoch, bytes);
   return bytes;
 }
 
 export function epochBytesToInt(bytes: Uint8Array): number {
   const dv = new DataView(bytes.buffer);
-  return dv.getUint32(0, true);
+  const epoch = dv.getUint32(0, true);
+  log("decoded epoch", epoch, bytes);
+  return epoch;
 }