Professor

Visa Categories

Period

Date

教授

Latest data: 2026-03

Change from Feb 2026

Date	Cert. of Eligibility	Extension of Stay	Change of Status
Mar 2026	25.2 days	26.2 days	33.1 days
Feb 2026	26.8 days	23.2 days	28.0 days
Jan 2026	34.7 days	28.0 days	30.0 days
Dec 2025	32.0 days	27.9 days	31.1 days
Nov 2025	28.8 days	31.0 days	30.4 days
Oct 2025	25.8 days	31.9 days	27.9 days
Sep 2025	24.8 days	31.9 days	30.4 days
Aug 2025	24.4 days	25.9 days	29.0 days
Jul 2025	27.5 days	29.6 days	30.3 days
Jun 2025	34.2 days	30.2 days	33.9 days
May 2025	30.5 days	34.9 days	35.3 days
Apr 2025	29.0 days	31.8 days	28.6 days
Mar 2025	28.3 days	30.4 days	32.0 days
Feb 2025	26.6 days	26.6 days	33.1 days
Jan 2025	32.2 days	N/A	N/A
Dec 2024	31.5 days	N/A	N/A
Nov 2024	29.5 days	N/A	N/A
Oct 2024	35.4 days	N/A	N/A
Sep 2024	33.6 days	N/A	N/A
Jun 2024	34.6 days	N/A	N/A
Mar 2024	31.9 days	N/A	N/A
Dec 2023	25.9 days	N/A	N/A
Sep 2023	26.5 days	N/A	N/A
Jun 2023	34.8 days	N/A	N/A
Mar 2023	27.1 days	N/A	N/A
Dec 2022	29.4 days	N/A	N/A
Sep 2022	26.9 days	N/A	N/A
Jun 2022	26.5 days	N/A	N/A
Mar 2022	21.1 days	N/A	N/A
Dec 2021	20.6 days	N/A	N/A
Sep 2021	19.9 days	N/A	N/A
Jun 2021	20.3 days	N/A	N/A
Mar 2021	17.5 days	N/A	N/A
Dec 2020	15.4 days	N/A	N/A
Sep 2020	41.2 days	N/A	N/A
Jun 2020	54.4 days	N/A	N/A
Mar 2020	17.0 days	23.6 days	26.5 days
Dec 2019	17.1 days	23.9 days	22.1 days
Sep 2019	18.5 days	27.1 days	26.3 days
Jun 2019	19.4 days	28.9 days	26.1 days
Mar 2019	15.3 days	22.3 days	25.2 days
Dec 2018	15.8 days	24.6 days	26.4 days
Sep 2018	15.3 days	26.1 days	25.8 days
Jun 2018	16.8 days	30.6 days	28.5 days
Mar 2018	16.1 days	24.4 days	23.5 days
Dec 2017	15.8 days	27.3 days	23.3 days
Sep 2017	16.2 days	28.0 days	23.2 days
Jun 2017	15.3 days	26.4 days	24.7 days