diff --git a/src/components/Attendees/PeopleSearch.tsx b/src/components/Attendees/PeopleSearch.tsx
index 148fe5b..a301d54 100644
--- a/src/components/Attendees/PeopleSearch.tsx
+++ b/src/components/Attendees/PeopleSearch.tsx
@@ -205,7 +205,6 @@ export function PeopleSearch({
             slotProps: {
               input: {
                 ...inputProps,
-                autoComplete: "off",
               },
             },
           };
diff --git a/src/components/Event/components/DateTimeFields.tsx b/src/components/Event/components/DateTimeFields.tsx
index 74e8e79..3653fbf 100644
--- a/src/components/Event/components/DateTimeFields.tsx
+++ b/src/components/Event/components/DateTimeFields.tsx
@@ -23,6 +23,18 @@ import { EditableTimeField } from "./EditableTimeField";
 
 dayjs.extend(customParseFormat);
 
+const timePickerPopperSx = {
+  "& .MuiPaper-root": {
+    width: "110px",
+    minWidth: "110px",
+  },
+  "& .MuiMultiSectionDigitalClockSection-item": {
+    justifyContent: "flex-start",
+    width: "100%",
+    textAlign: "left",
+  },
+};
+
 /**
  * Props for DateTimeFields component
  */
@@ -353,19 +365,7 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
                     }}
                     slotProps={{
                       openPickerButton: { sx: { display: "none" } },
-                      popper: {
-                        sx: {
-                          "& .MuiPaper-root": {
-                            width: "110px",
-                            minWidth: "110px",
-                          },
-                          "& .MuiMultiSectionDigitalClockSection-item": {
-                            justifyContent: "flex-start",
-                            width: "100%",
-                            textAlign: "left",
-                          },
-                        },
-                      },
+                      popper: { sx: timePickerPopperSx },
                       field: getTimeFieldSlotProps(
                         "start-time-input",
                         false,
@@ -411,19 +411,7 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
                     }}
                     slotProps={{
                       openPickerButton: { sx: { display: "none" } },
-                      popper: {
-                        sx: {
-                          "& .MuiPaper-root": {
-                            width: "110px",
-                            minWidth: "110px",
-                          },
-                          "& .MuiMultiSectionDigitalClockSection-item": {
-                            justifyContent: "flex-start",
-                            width: "100%",
-                            textAlign: "left",
-                          },
-                        },
-                      },
+                      popper: { sx: timePickerPopperSx },
                       field: getTimeFieldSlotProps(
                         "end-time-input",
                         !!validation.errors.dateTime,
@@ -510,19 +498,7 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
                 }}
                 slotProps={{
                   openPickerButton: { sx: { display: "none" } },
-                  popper: {
-                    sx: {
-                      "& .MuiPaper-root": {
-                        width: "110px",
-                        minWidth: "110px",
-                      },
-                      "& .MuiMultiSectionDigitalClockSection-item": {
-                        justifyContent: "flex-start",
-                        width: "100%",
-                        textAlign: "left",
-                      },
-                    },
-                  },
+                  popper: { sx: timePickerPopperSx },
                   field: getTimeFieldSlotProps(
                     "start-time-input",
                     false,
@@ -556,19 +532,7 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
                 }}
                 slotProps={{
                   openPickerButton: { sx: { display: "none" } },
-                  popper: {
-                    sx: {
-                      "& .MuiPaper-root": {
-                        width: "110px",
-                        minWidth: "110px",
-                      },
-                      "& .MuiMultiSectionDigitalClockSection-item": {
-                        justifyContent: "flex-start",
-                        width: "100%",
-                        textAlign: "left",
-                      },
-                    },
-                  },
+                  popper: { sx: timePickerPopperSx },
                   field: getTimeFieldSlotProps(
                     "end-time-input",
                     !!validation.errors.dateTime,
diff --git a/src/components/Event/components/EditableTimeField.tsx b/src/components/Event/components/EditableTimeField.tsx
index f2f1a88..ecd3869 100644
--- a/src/components/Event/components/EditableTimeField.tsx
+++ b/src/components/Event/components/EditableTimeField.tsx
@@ -46,11 +46,6 @@ function EditableTimePickerField(props: GenericPickerFieldProps) {
   const parsedFormat = useParsedFormat();
   const inputRef = useRef<HTMLInputElement>(null);
 
-  // Get onChange from internalProps to call directly when value changes
-  const onChange = internalProps.onChange as
-    | ((value: Dayjs | null) => void)
-    | undefined;
-
   const getFormattedValue = useCallback(() => {
     if (pickerContext.value == null) return "";
     if (!pickerContext.value.isValid()) return "";
@@ -151,7 +146,7 @@ function EditableTimePickerField(props: GenericPickerFieldProps) {
         setInputValue(getFormattedValue());
       }
     },
-    [pickerContext, getFormattedValue, onChange]
+    [pickerContext, pickerActions, getFormattedValue]
   );
 
   // Commit pending input value when picker closes (after parseAndUpdateTime is defined)
diff --git a/src/components/Event/utils/dateTimeHelpers.ts b/src/components/Event/utils/dateTimeHelpers.ts
index 6d9a878..9b71d13 100644
--- a/src/components/Event/utils/dateTimeHelpers.ts
+++ b/src/components/Event/utils/dateTimeHelpers.ts
@@ -14,6 +14,9 @@ export const DATETIME_FORMAT_WITHOUT_SECONDS = "YYYY-MM-DDTHH:mm";
 
 export const TIME_PARSE_FORMATS = ["HH:mm", "H:mm", "HHmm", "Hmm", "HH", "H"];
 
+// Strict parsing mode - input must exactly match the provided format(s)
+const STRICT_PARSING = true;
+
 /**
  * Detect datetime format based on string length
  * @param datetime - Datetime string to analyze
@@ -77,7 +80,7 @@ export function convertFormDateTimeToISO(
 
 /** Convert date + time strings → Dayjs */
 export const toDateTime = (date: string, time: string): Dayjs => {
-  const d = dayjs(date, "YYYY-MM-DD", true);
+  const d = dayjs(date, "YYYY-MM-DD", STRICT_PARSING);
   if (!time) return d.startOf("day");
   const [h, m] = time.split(":").map(Number);
   return d.hour(h).minute(m).second(0).millisecond(0);
@@ -108,7 +111,7 @@ export function parseTimeInput(
     trimmed = trimmed.padStart(4, "0");
   }
 
-  const parsed = dayjs(trimmed, TIME_PARSE_FORMATS, true);
+  const parsed = dayjs(trimmed, TIME_PARSE_FORMATS, STRICT_PARSING);
   if (parsed.isValid()) {
     const baseDate = currentDate || dayjs();
     return baseDate