Update market-hours.mdx (#658)

Updated market open from 5PM > 6PM for Metals

Author: hkaliraipyth

pages/price-feeds/market-hours.mdx

@@ -8,7 +8,7 @@ Pyth price feeds follow the [traditional market hours](https://www.cmegroup.com/
 | EU Equities | Paris, Amsterdam, Ireland: Every weekday from 9AM CET to 5.30PM CET | Markets are closed on weekends, and follow [Euronext Holidays & Trading Hours](https://live.euronext.com/en/resources/trading-hours-holidays) |
 | UK Equities | Every weekday from 8AM GMT to 4.30PM GMT | Markets are closed on weekends, and follow [LSE Holidays & Trading Hours](https://www.londonstockexchange.com/equities-trading/business-days) |
 | FX | From Sunday 5PM ET to Friday 5PM ET | Daily maintenance window applies from 5PM ET to 6PM ET, Monday to Thursday. Trading continues during most US holidays |
-| Metals | From Sunday 5PM ET to Friday 5PM ET | Daily maintenance window applies from 5PM ET to 6PM ET, Monday to Thursday. Spot gold and silver trading also follow [CME holiday closures](https://www.cmegroup.com/tools-information/holiday-calendar.html)|
+| Metals | From Sunday 6PM ET to Friday 5PM ET | Daily maintenance window applies from 5PM ET to 6PM ET, Monday to Thursday. Spot gold and silver trading also follow [CME holiday closures](https://www.cmegroup.com/tools-information/holiday-calendar.html)|
 | Rates | Every weekday from 8AM ET to 5PM ET | Markets are closed on weekends, and follow [NYSE Holidays & Trading Hours](https://www.nyse.com/markets/hours-calendars) |
 | Commodities | WTI: From Sunday 6PM ET to Friday 5PM ET | Daily maintenance window applies from 5PM ET to 6PM ET and follow [CME holiday closures](https://www.cmegroup.com/tools-information/holiday-calendar.html)|
 | Commodities | BRENT: From Sunday 6PM ET to Friday 6PM ET | Daily maintenance window applies from 6PM ET to 8PM ET, Monday to Thursday and follow [ICE holiday closures](https://www.ice.com/publicdocs/Trading_Schedule.pdf)|