Fix meeting planner and storage tank samples

docs/cookbook/meetingPlanner.js

@@ -1,7 +1,7 @@
 // Display local time zone and three others
 const now = Temporal.now.localDateTime();
 const timeZones = [
-  { name: 'Here', tz: now.timeZone() },
+  { name: 'Here', tz: Temporal.now.timeZone() },
   { name: 'New York', tz: Temporal.TimeZone.from('America/New_York') },
   { name: 'London', tz: Temporal.TimeZone.from('Europe/London') },
   { name: 'Tokyo', tz: Temporal.TimeZone.from('Asia/Tokyo') }
@@ -12,18 +12,19 @@ const startTime = now.with(Temporal.Time.from('00:00')); // midnight
 
 // Build the table
 const table = document.getElementById('meeting-planner');
-timeZones.forEach(({ name }) => {
+timeZones.forEach(({ name, tz }) => {
   const row = document.createElement('tr');
 
   const title = document.createElement('td');
-  const offset = now.with({ timeZone: name }).timeZoneOffsetString;
-  title.textContent = `${name} (UTC${offset})`;
+  const nowThisTz = now.with({ timeZone: tz });
+  title.textContent = `${name} (UTC${nowThisTz.timeZoneOffsetString})`;
   row.appendChild(title);
+  const startThisTz = startTime.with({ timeZone: tz });
 
   for (let hours = 0; hours < 24; hours++) {
     const cell = document.createElement('td');
 
-    const ldt = startTime.plus({ hours });
+    const ldt = startThisTz.plus({ hours });
     cell.className = `time-${ldt.hour}`;
 
     // Highlight the current hour in each row

docs/cookbook/storageTank.js

@@ -6,7 +6,7 @@
 const tankMidnight = Temporal.now
   .localDateTime()
   .with({ timeZone: 'Europe/Stockholm', ...Temporal.Time.from('00:00').getFields() });
-const atOrAfterMidnight = (x) => Temporal.Absolute.compare(x, tankMidnight) >= 0;
+const atOrAfterMidnight = (x) => Temporal.Absolute.compare(x, tankMidnight.absolute) >= 0;
 const dataStartIndex = tankDataX.findIndex(atOrAfterMidnight);
 const labelFormatter = new Intl.DateTimeFormat(undefined, {
   weekday: 'short',