Instructor

Visa Categories

Period

Date

教育

Latest data: 2026-03

Change from Feb 2026

Date	Cert. of Eligibility	Extension of Stay	Change of Status
Mar 2026	31.6 days	32.3 days	38.6 days
Feb 2026	45.6 days	32.5 days	31.1 days
Jan 2026	35.1 days	32.1 days	37.3 days
Dec 2025	30.6 days	30.4 days	46.3 days
Nov 2025	19.8 days	30.0 days	31.4 days
Oct 2025	34.3 days	30.8 days	33.6 days
Sep 2025	26.1 days	35.1 days	32.6 days
Aug 2025	18.5 days	36.2 days	39.9 days
Jul 2025	34.0 days	32.5 days	40.7 days
Jun 2025	32.8 days	31.1 days	38.5 days
May 2025	34.7 days	34.3 days	35.8 days
Apr 2025	38.0 days	30.4 days	29.9 days
Mar 2025	37.7 days	33.6 days	31.9 days
Feb 2025	38.6 days	32.0 days	26.4 days
Jan 2025	35.6 days	N/A	N/A
Dec 2024	16.4 days	N/A	N/A
Nov 2024	32.4 days	N/A	N/A
Oct 2024	37.0 days	N/A	N/A
Sep 2024	34.8 days	N/A	N/A
Jun 2024	41.3 days	N/A	N/A
Mar 2024	41.5 days	N/A	N/A
Dec 2023	38.9 days	N/A	N/A
Sep 2023	36.2 days	N/A	N/A
Jun 2023	39.9 days	N/A	N/A
Mar 2023	40.3 days	N/A	N/A
Dec 2022	40.2 days	N/A	N/A
Sep 2022	33.9 days	N/A	N/A
Jun 2022	27.9 days	N/A	N/A
Mar 2022	28.2 days	N/A	N/A
Dec 2021	25.0 days	N/A	N/A
Sep 2021	24.6 days	N/A	N/A
Jun 2021	24.0 days	N/A	N/A
Mar 2021	28.6 days	N/A	N/A
Dec 2020	16.8 days	N/A	N/A
Sep 2020	50.8 days	N/A	N/A
Jun 2020	59.0 days	N/A	N/A
Mar 2020	24.2 days	24.6 days	24.2 days
Dec 2019	18.8 days	27.8 days	30.7 days
Sep 2019	24.9 days	29.0 days	30.5 days
Jun 2019	23.7 days	26.9 days	27.1 days
Mar 2019	16.8 days	23.7 days	23.3 days
Dec 2018	14.7 days	28.1 days	30.3 days
Sep 2018	19.1 days	28.2 days	28.2 days
Jun 2018	20.4 days	30.5 days	26.8 days
Mar 2018	18.1 days	23.8 days	21.5 days
Dec 2017	20.4 days	29.9 days	29.0 days
Sep 2017	15.9 days	30.1 days	28.0 days
Jun 2017	18.4 days	24.4 days	24.3 days