ACH Window & Cutoffs

Last updated: June 30, 2026

Overview: 

The following table outlines ACH Window Cutoff times for Transfers with Same Day (T+0) and Next Day (T+1) settlement speed. 

Please pay special attention to Astra’s recommended API submission cutoff times to ensure your program’s Transfers are executed with the preferred settlement timeline. 

ACH Type

Transmission Deadline (per The Fed)

Transmission Cutoff (per Sponsor Bank)

API Submission Cutoff (per Astra recommendation)

Settlement Schedule (per The Fed)

Same Day

10:30a ET

10:00a ET

9:45a ET

1:00p ET

Same Day

2:45p ET

2:00p ET

1:45p ET

5:00p ET

Same Day

4:45p ET

4:00p ET

3:45p ET

6:00p ET

Next Day

10:30a ET

10:00a ET

9:45a ET

8:30a ET (T+1)

Next Day

2:45p ET

2:00p ET

1:45p ET

8:30a ET (T+1)

Next Day

4:45p ET

4:00p ET

3:45p ET

8:30a ET (T+1)

Next Day

8:00p ET

7:00p ET

6:45p ET

8:30a ET (T+1)

Please note: if the last same day window is missed, submitting a T+1 request before 6:45 pm ET will result in the funds settling sooner (8:30 am ET) than if you were to submit a T+0 request before the next window at 9:45 am ET the next day.