flip sign the other way derp

Author: reivilibre

src/backends/penta/PentabarfParser.ts

@@ -239,8 +239,8 @@ export class PentabarfParser {
                     const parsedStartTime = simpleTimeParse(pEvent.start);
                     const parsedDuration = simpleTimeParse(pEvent.duration);
                     // HACK FOSDEM2024 +01 TIMEZONE
-                    const startTime = moment(dateTs).add(parsedStartTime.hours + 1, 'hours').add(parsedStartTime.minutes, 'minutes');
-                    const endTime = moment(startTime).add(parsedDuration.hours + 1, 'hours').add(parsedDuration.minutes, 'minutes');
+                    const startTime = moment(dateTs).add(parsedStartTime.hours - 1, 'hours').add(parsedStartTime.minutes, 'minutes');
+                    const endTime = moment(startTime).add(parsedDuration.hours - 1, 'hours').add(parsedDuration.minutes, 'minutes');
                     let talk: IPentabarfTalk = {
                         pretalxCode:  pEvent.attr?.["@_code"],
                         id: talkId,