Web alarm clock for 9:23 a.m.
While you are halfway through another task, set the alarm for 9:23 am so you can break away and get a barangay certificate from the barangay hall. The alert keeps that errand from slipping past you while your attention is elsewhere. It also leaves 37 minutes before 10:00 am, enough time to finish a short transaction or note what you need to resume later.
Because your certificate errand depends on hearing the alert, check whether your phone is likely to lock and sleep before 9:23 am. Keep this browser alarm visible, raise the volume to a level you can hear, and leave the phone connected to power if the battery is low. The alarm may not sound for the certificate pickup if you close the page or the phone enters sleep mode, so use the phone's built-in alarm as backup when you cannot keep the browser active.
Once the barangay visit is done, avoid letting the rest of the morning disappear into small follow-up tasks. If you returned to bed after an early start, decide before 9:23 am whether you will stay up or protect the sleep still available afterward. Set aside your papers and keys first; that makes it easier either to continue the day promptly or to settle back down without searching for anything.