What's the best timing for the first abandonment email?

As a Shopify store owner in the fashion space, cart abandonment has been my silent revenue killer. I'm watching potential customers meticulously browse my collections, add items to their cart, and then... nothing. Just ghosted. Every abandoned cart feels like money slipping through my fingers. I've tried generic 'come back' emails, but they feel impersonal and rarely convert. My current email strategy is basically throwing darts blindfolded – sometimes I hit, mostly I miss. I know timing is critical. Send too early, and I seem desperate. Send too late, and the customer's interest has completely cooled. I'm looking for a strategic approach that feels natural, creates genuine urgency, and doesn't make my brand look like it's begging. My conversion rate is hovering around 2.5%, and I know with the right abandonment email strategy, I could bump that to 3.5% or even 4%. But it's not just about sending an email – it's about sending the RIGHT email at the PRECISE moment when the customer is most likely to re-engage. I need a method that understands customer psychology and transforms those abandoned carts into completed purchases.