CIEN Ciena Corp Fiscal Quarter-End Dates

52/53-week fiscal year
Month-end approximation error: 29 days Extra week absorbed by Q4

“Ciena has a 52 or 53-week fiscal year, which ends on the Saturday nearest to the last day of October in each year ( November 1, 2025 , November 2, 2024, and October 28, 2023, for the periods reported).”

Ciena Corp Form 10-K, filed Dec 12, 2025 — SEC EDGAR
Period Quarter End Days Filing
FY2022 Q2 Apr 30, 2022 91 10-Q, Jun 8, 2022
FY2022 Q3 Jul 30, 2022 91 10-Q, Sep 7, 2022
FY2022 Q4 Oct 29, 2022 91 10-K, Dec 16, 2022
FY2023 Q1 Jan 28, 2023 91 10-Q, Mar 8, 2023
FY2023 Q2 Apr 29, 2023 91 10-Q, Jun 7, 2023
FY2023 Q3 Jul 29, 2023 91 10-Q, Sep 6, 2023
FY2023 Q4 Oct 28, 2023 91 10-K, Dec 15, 2023
FY2024 Q1 Jan 27, 2024 91 10-Q, Mar 7, 2024
FY2024 Q2 Apr 27, 2024 91 10-Q, Jun 6, 2024
FY2024 Q3 Jul 27, 2024 91 10-Q, Sep 4, 2024
FY2024 Q4 Nov 2, 2024 98 10-K, Dec 20, 2024
FY2025 Q1 Feb 1, 2025 91 10-Q, Mar 12, 2025
FY2025 Q2 May 3, 2025 91 10-Q, Jun 5, 2025
FY2025 Q3 Aug 2, 2025 91 10-Q, Sep 4, 2025
FY2025 Q4 Nov 1, 2025 91 10-K, Dec 12, 2025
FY2026 Q1 Jan 31, 2026 91 10-Q, Mar 5, 2026
FY2026 Q2 projected May 2, 2026 91
FY2026 Q3 projected Aug ??, 2026
FY2026 Q4
FY2027 Q1
FY2027 Q2

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