Hello @phoenixwren,
We checked your power-ups and the last one you did was made on December 2nd.
You can see your transaction in the blockchain explorer here: https://hiveblocks.com/tx/aeab8ad76fa797f53d2a4a0266c2ddbd3325e02b
Remember that HiveBuzz uses UTC time for validation, not your local time.
That's what I was wondering - the badge didn't say a time zone, so I didn't know. There was nothing to remember, I didn't see that information.