Web alarm clock for 6:58 a.m.
You are already among the coconut trees, checking fallen fronds and loose fruit after the night wind, when the 6:58 am alarm tells you to break off the inspection. It gives you a clear stopping point before 7:00 am, so you can mark the last row covered and leave the remaining palms for later instead of losing track.
For a quiet grove where you can keep the phone close, a gentle tone may be enough to cut through rustling leaves without feeling abrupt. If the wind, roosters, or people nearby could mask it, choose a more persistent sound and set the volume before continuing the inspection. Keep the browser active and the phone awake: otherwise the alarm may not sound, and your coconut-grove inspection could run past the planned stop.
Because this alert comes early, decide what happens to the sleep still available afterward. If you intend to return to bed, leave muddy footwear and any fallen coconuts outside, keep the room dim, and avoid starting another chore on the way in. A short note showing which rows still need checking lets you settle down without trying to remember every detail at 7:00 am.