Set the alarm clock for 6:21 am

 

Leave this tab open — the alarm only rings while the tab stays open.

The alarm goes off in: ::
 
 

Going to bed for a 6:21 am alarm

  • Asleep by 9:06 pm — 6 full sleep cycles, about 9 hours
  • Asleep by 10:36 pm — 5 full sleep cycles, about 7 hours
  • Asleep by 12:06 am — 4 full sleep cycles, about 6 hours

A sleep cycle runs about 90 minutes, and most people take around 15 minutes to drop off. Waking at the end of a cycle feels easier than waking in the middle of one.

Online alarm clock for 6:21 am

As you hand the shift to someone else, set the 6:21 am alarm as the moment to pass on the MetService strong-wind warning and confirm who will check it next. That leaves a clear checkpoint before 7:00 am, instead of relying on someone to remember the handover while other early tasks are starting.

A wind-warning handover can happen in a noisy workspace, vehicle yard, or kitchen, so choose a signal volume you can hear above engines, radios, conversation, or running appliances. Test it briefly at the sound level expected around 6:21 am, and keep the phone close enough that vibration offers a second cue. Because this alarm runs in the browser, the MetService warning may go unchecked if the page is closed or the phone falls asleep; use a separate device alarm when missing the check would disrupt the handover.

Once the warning has been passed on, allow for the road rather than treating 7:00 am as guaranteed spare time. At this early hour, check the route before leaving and give the next person a realistic arrival estimate, especially if strong wind could affect exposed stretches, bridges, or ferry connections. Keep the 6:21 am alert tied to the weather check, then base departure time on the journey actually ahead.

Common questions

Does daylight saving change the alarm time?

The alarm follows the clock and time zone reported by your device. Clocks move forward in September and back in April, so confirm the displayed date and time after a change. Check overseas invitations carefully because other places may change clocks on different dates or not at all.

Can the alarm account for a public holiday or Matariki?

No. It sounds at the time you set and does not read school terms, regional anniversary days, Matariki dates, or public-holiday transport schedules. Check the relevant calendar and live operator timetable, particularly when a weekday service may be running less often.

Why might I not hear the alarm?

The tab may have been closed, the device may have slept or lost power, or audio may be muted, blocked, or routed to another speaker. Keep the page open, test browser permissions and volume, and use a separate dependable alarm if waking or meeting the time is critical.

Can I use the alarm as my signal to leave for a ferry or flight?

Yes, as a personal reminder, but it cannot see check-in requirements, queues, cancellations, Cook Strait wind, road closures, or delays on the way to the terminal. Confirm the operator's current advice and set the time with enough margin for the entire journey.