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Sourdough in 24 Hours: A Complete One-Day-Plus Timeline

From feeding the starter to slicing the loaf in about a day. A clear hour-by-hour plan with an overnight cold proof.

Jen Kraft2 min read

A standard 24-hour sourdough timeline feeds the starter in the morning, mixes and bulk-ferments in the afternoon, cold-proofs overnight, and bakes the next morning — about 24 hours total, with under an hour of active work. This is the most popular home-baking rhythm because it produces great flavor and fits a normal day.

The hour-by-hour plan

TimeStepActive?
7:00 AMFeed starter5 min
12:00 PMMix dough + autolyse10 min
12:45 PMAdd salt, first fold5 min
1:00–4:00 PMFolds every 30–45 min20 min
4:00–6:00 PMFinish bulk (50–75% rise)0
6:00 PMPre-shape, rest 30 min5 min
6:30 PMFinal shape, into banneton10 min
6:45 PMCold proof in fridge0
Next 7:00 AMPreheat oven0
Next 8:00 AMBake 45 min5 min
Next 10:00 AMCool 2 hrs, then slice0

Why this timeline works

  • Morning starter feed means it's at peak by midday for mixing.
  • Afternoon bulk happens while you're home to do folds.
  • Overnight cold proof develops flavor and lets you bake fresh in the morning.
  • It spreads the work into small, manageable touches.

Adjusting for your kitchen

Kitchen tempBulk time
Warm (78°F+)3–4 hrs
Average (70°F)4–6 hrs
Cool (65°F)6–8 hrs

Watch the dough's rise, not just the clock — temperature changes everything.

Frequently asked questions

Can I bake the same evening instead of overnight?

Yes — proof at room temperature for 2–4 hours after shaping and bake that night. Flavor will be milder without the cold retard.

What if my bulk is taking longer?

Your kitchen is probably cool or your starter is sluggish. Be patient and warm the dough; don't bake underproofed.

Can I start in the evening instead?

Yes — flip the schedule: feed at night, mix in the morning, bulk during the day, bake in the evening.

Every kitchen runs at a different temperature, which is why fixed timelines often miss. SourdoughAI builds the 24-hour plan around your actual conditions.