[Gurubashi Arena Event] Start time is not correct

original issue https://github.com/chromiecraft/chromiecraft/issues/4165

Current Behaviour

Event occurs at quarter past the hour rather than on the hours its supposed to

Expected Blizzlike Behaviour

should start every three hours, oh the hour

Source

https://www.youtube.com/watch?v=b5l5Pju2cMg

Steps to reproduce the problem

.go c 636

Extra Notes

https://wowgaming.altervista.org/aowow/?event=16

AC rev. hash/commit

https://github.com/chromiecraft/azerothcore-wotlk/commit/77faa1d84d85199170ef540a43b5ed824de43702

Operating system

Ubuntu 20.04

Custom changes or Modules

[mod-ah-bot](https://github.com/azerothcore/mod-ah-bot)
[mod-bg-item-reward](https://github.com/azerothcore/mod-bg-item-reward)
[mod-cfbg](https://github.com/azerothcore/mod-cfbg)
[mod-chat-transmitter](https://github.com/azerothcore/mod-chat-transmitter)
[mod-chromie-xp](https://github.com/azerothcore/mod-chromie-xp)
[mod-cta-switch](https://github.com/azerothcore/mod-cta-switch)
[mod-desertion-warnings](https://github.com/azerothcore/mod-desertion-warnings)
[mod-dmf-switch](https://github.com/azerothcore/mod-dmf-switch)
[mod-duel-reset](https://github.com/azerothcore/mod-duel-reset)
[mod-eluna](https://github.com/azerothcore/mod-eluna)
[mod-ip-tracker](https://github.com/azerothcore/mod-ip-tracker)
[mod-low-level-arena](https://github.com/azerothcore/mod-low-level-arena)
[mod-low-level-rbg](https://github.com/azerothcore/mod-low-level-rbg)
[mod-multi-client-check](https://github.com/azerothcore/mod-multi-client-check)
[mod-progression-system](https://github.com/azerothcore/mod-progression-system)
[mod-pvp-titles](https://github.com/azerothcore/mod-pvp-titles)
[mod-pvpstats-announcer](https://github.com/azerothcore/mod-pvpstats-announcer)
[mod-queue-list-cache](https://github.com/azerothcore/mod-queue-list-cache)
[mod-rdf-expansion](https://github.com/azerothcore/mod-rdf-expansion)
[mod-transmog](https://github.com/azerothcore/mod-transmog)
[mod-weekend-xp](https://github.com/azerothcore/mod-weekend-xp)
[mod-instanced-worldbosses](https://github.com/nyeriah/mod-instanced-worldbosses)
[lua-carbon-copy](https://github.com/55Honey/Acore_CarbonCopy)
[lua-exchange-npc](https://github.com/55Honey/Acore_ExchangeNpc)
[lua-custom-worldboss](https://github.com/55Honey/Acore_CustomWorldboss)
[lua-level-up-reward](https://github.com/55Honey/Acore_LevelUpReward)
[lua-recruit-a-friend](https://github.com/55Honey/Acore_RecruitAFriend)
[lua-send-and-bind](https://github.com/55Honey/Acore_SendAndBind)
[lua-temp-announcements](https://github.com/55Honey/Acore_TempAnnouncements)
[lua-zonecheck](https://github.com/55Honey/acore_Zonecheck)
[lua-zone-debuff](https://github.com/55Honey/Acore_ZoneDebuff)