On festival days (e.g., Egg Festival, Flower Dance), abandon their normal schedules. They congregate at the festival site (e.g., Town Square, Cindersap Forest) at 9:00 AM. The player cannot interact with them normally (for gifting) until the festival event is completed.
"He lives in the house with the mailbox," Jasper muttered, scanning the grid-like streets. He found the house easily enough, but the living room was empty. He checked the kitchen. Nothing. He even peeked into the bedroom, only to find humming to her leeks. npc map locations stardew
– Appears Fridays & Sundays west of Marnie’s (Forest). The merchant pig is not an NPC you can gift. On festival days (e