diff --git a/scripts/genAlternates.ts b/scripts/genAlternates.ts
index 2cd5d0d..5c2c482 100644
--- a/scripts/genAlternates.ts
+++ b/scripts/genAlternates.ts
@@ -14,7 +14,7 @@ const EARLIEST_AM_HOUR = 6;
 
 const timeGetterRegex = /\(?(1?\d)(?::(\d{2}))? *(?:am)? *[-–] *(1?\d)(?::(\d{2}))? *(noon|pm)?\)?/;
 const gradeGetterRegex = /(?<!Period |#)\d+(\/\d+)*(?!(?:st|nd|rd|th)\s+Period)/i;
-const altScheduleRegex = /schedule|extended/i; // /schedule|extended|lunch/i
+const altScheduleRegex = /staff pd|alt. sched|schedule|extended/i; // /schedule|extended|lunch/i
 const noSchoolRegex = /holiday|no\s(students|school)|break|development/i;
 const primeReplacesSelfRegex = /PRIME (replaces|instead of) SELF|No SELF, extra PRIME/i;
 // const selfStudyHallRegex = /9\/10 (SELF|Study Hall), 11\/12 (SELF|Study Hall)/i;
diff --git a/scripts/output/alternates.json b/scripts/output/alternates.json
index ef5edaa..5b911d8 100644
--- a/scripts/output/alternates.json
+++ b/scripts/output/alternates.json
@@ -1821,5 +1821,411 @@
             "s": 840,
             "e": 930
         }
+    ],
+    "09-18": [
+        {
+            "n": "0",
+            "s": 475,
+            "e": 530
+        },
+        {
+            "n": "5",
+            "s": 540,
+            "e": 635
+        },
+        {
+            "n": "B",
+            "s": 635,
+            "e": 640
+        },
+        {
+            "n": "6",
+            "s": 650,
+            "e": 740
+        },
+        {
+            "n": "L",
+            "s": 740,
+            "e": 770
+        },
+        {
+            "n": "7",
+            "s": 780,
+            "e": 870
+        },
+        {
+            "n": "P",
+            "s": 880,
+            "e": 900
+        },
+        {
+            "n": "P",
+            "s": 910,
+            "e": 930
+        }
+    ],
+    "09-23": [
+        {
+            "n": "Staff PD",
+            "s": 540,
+            "e": 600
+        },
+        {
+            "n": "B",
+            "s": 600,
+            "e": 605
+        },
+        {
+            "n": "1",
+            "s": 615,
+            "e": 650
+        },
+        {
+            "n": "2",
+            "s": 660,
+            "e": 695
+        },
+        {
+            "n": "3",
+            "s": 705,
+            "e": 740
+        },
+        {
+            "n": "L",
+            "s": 740,
+            "e": 770
+        },
+        {
+            "n": "4",
+            "s": 780,
+            "e": 815
+        },
+        {
+            "n": "5",
+            "s": 825,
+            "e": 860
+        },
+        {
+            "n": "6",
+            "s": 870,
+            "e": 905
+        },
+        {
+            "n": "7",
+            "s": 915,
+            "e": 950
+        }
+    ],
+    "10-28": [
+        {
+            "n": "Staff PD",
+            "s": 540,
+            "e": 600
+        },
+        {
+            "n": "B",
+            "s": 600,
+            "e": 605
+        },
+        {
+            "n": "1",
+            "s": 615,
+            "e": 650
+        },
+        {
+            "n": "2",
+            "s": 660,
+            "e": 695
+        },
+        {
+            "n": "3",
+            "s": 705,
+            "e": 740
+        },
+        {
+            "n": "L",
+            "s": 740,
+            "e": 770
+        },
+        {
+            "n": "4",
+            "s": 780,
+            "e": 815
+        },
+        {
+            "n": "5",
+            "s": 825,
+            "e": 860
+        },
+        {
+            "n": "6",
+            "s": 870,
+            "e": 905
+        },
+        {
+            "n": "7",
+            "s": 915,
+            "e": 950
+        }
+    ],
+    "11-18": [
+        {
+            "n": "Staff PD",
+            "s": 540,
+            "e": 600
+        },
+        {
+            "n": "B",
+            "s": 600,
+            "e": 605
+        },
+        {
+            "n": "1",
+            "s": 615,
+            "e": 650
+        },
+        {
+            "n": "2",
+            "s": 660,
+            "e": 695
+        },
+        {
+            "n": "3",
+            "s": 705,
+            "e": 740
+        },
+        {
+            "n": "L",
+            "s": 740,
+            "e": 770
+        },
+        {
+            "n": "4",
+            "s": 780,
+            "e": 815
+        },
+        {
+            "n": "5",
+            "s": 825,
+            "e": 860
+        },
+        {
+            "n": "6",
+            "s": 870,
+            "e": 905
+        },
+        {
+            "n": "7",
+            "s": 915,
+            "e": 950
+        }
+    ],
+    "01-27": [
+        {
+            "n": "Staff PD",
+            "s": 540,
+            "e": 600
+        },
+        {
+            "n": "B",
+            "s": 600,
+            "e": 605
+        },
+        {
+            "n": "1",
+            "s": 615,
+            "e": 650
+        },
+        {
+            "n": "2",
+            "s": 660,
+            "e": 695
+        },
+        {
+            "n": "3",
+            "s": 705,
+            "e": 740
+        },
+        {
+            "n": "L",
+            "s": 740,
+            "e": 770
+        },
+        {
+            "n": "4",
+            "s": 780,
+            "e": 815
+        },
+        {
+            "n": "5",
+            "s": 825,
+            "e": 860
+        },
+        {
+            "n": "6",
+            "s": 870,
+            "e": 905
+        },
+        {
+            "n": "7",
+            "s": 915,
+            "e": 950
+        }
+    ],
+    "02-24": [
+        {
+            "n": "Staff PD",
+            "s": 540,
+            "e": 600
+        },
+        {
+            "n": "B",
+            "s": 600,
+            "e": 605
+        },
+        {
+            "n": "1",
+            "s": 615,
+            "e": 650
+        },
+        {
+            "n": "2",
+            "s": 660,
+            "e": 695
+        },
+        {
+            "n": "3",
+            "s": 705,
+            "e": 740
+        },
+        {
+            "n": "L",
+            "s": 740,
+            "e": 770
+        },
+        {
+            "n": "4",
+            "s": 780,
+            "e": 815
+        },
+        {
+            "n": "5",
+            "s": 825,
+            "e": 860
+        },
+        {
+            "n": "6",
+            "s": 870,
+            "e": 905
+        },
+        {
+            "n": "7",
+            "s": 915,
+            "e": 950
+        }
+    ],
+    "03-24": [
+        {
+            "n": "Staff PD",
+            "s": 540,
+            "e": 600
+        },
+        {
+            "n": "B",
+            "s": 600,
+            "e": 605
+        },
+        {
+            "n": "1",
+            "s": 615,
+            "e": 650
+        },
+        {
+            "n": "2",
+            "s": 660,
+            "e": 695
+        },
+        {
+            "n": "3",
+            "s": 705,
+            "e": 740
+        },
+        {
+            "n": "L",
+            "s": 740,
+            "e": 770
+        },
+        {
+            "n": "4",
+            "s": 780,
+            "e": 815
+        },
+        {
+            "n": "5",
+            "s": 825,
+            "e": 860
+        },
+        {
+            "n": "6",
+            "s": 870,
+            "e": 905
+        },
+        {
+            "n": "7",
+            "s": 915,
+            "e": 950
+        }
+    ],
+    "04-21": [
+        {
+            "n": "Staff PD",
+            "s": 540,
+            "e": 600
+        },
+        {
+            "n": "B",
+            "s": 600,
+            "e": 605
+        },
+        {
+            "n": "1",
+            "s": 615,
+            "e": 650
+        },
+        {
+            "n": "2",
+            "s": 660,
+            "e": 695
+        },
+        {
+            "n": "3",
+            "s": 705,
+            "e": 740
+        },
+        {
+            "n": "L",
+            "s": 740,
+            "e": 770
+        },
+        {
+            "n": "4",
+            "s": 780,
+            "e": 815
+        },
+        {
+            "n": "5",
+            "s": 825,
+            "e": 860
+        },
+        {
+            "n": "6",
+            "s": 870,
+            "e": 905
+        },
+        {
+            "n": "7",
+            "s": 915,
+            "e": 950
+        }
     ]
 }
\ No newline at end of file