Solunar periods: reading moon timings without expecting a guaranteed bite
A major solunar period and high tide can occur at different times. They describe different things: moon events during the day and predicted water-level changes at a supported location.
Separate them so you understand what you are testing. A coloured interval on a screen is not an instruction for fish to start feeding.
Understand the underlying event
Major periods are associated with upper and lower lunar transit; minor periods with moonrise and moonset. Upper transit means crossing the local meridian, not necessarily passing directly overhead. The surrounding time window is a modelling choice, not a measured feeding interval.
What this tool displays
The current calculation uses roughly an hour before and after each event. Major and minor distinguish event types; they do not establish that every major period outperforms every other hour. Some events fall outside a local day, so a fixed number of intervals is not guaranteed.
Use the timings alongside conditions
A period that fits your schedule and a manageable water movement is a candidate for a trial. Review weather, access and presentation first. Fish activity outside a marked interval is useful evidence rather than something to discard.
A comparison rather than a promise
If a lunar period overlaps the later part of a morning session, compare observations across the session while keeping bait and distance similar. Do not label the overlap best with certainty before repeated observations. Astronomy defines the event; usefulness for catching fish is a separate question.
Keep the calendar concepts separate
Traditional Haml and Fasad categories concern days of the lunar month; solunar intervals occur within a day. Neither is a current meter. Record both successful and unsuccessful timings to see whether the periods add value at your particular location.