![Edinburgh Castle, castle, Castle Rock, cannon, One O'Clock Gun, 13 o'clock gun, historical time signal, soldier, gunner, Edinburgh, Scotland, Great Stock Photo - Alamy Edinburgh Castle, castle, Castle Rock, cannon, One O'Clock Gun, 13 o'clock gun, historical time signal, soldier, gunner, Edinburgh, Scotland, Great Stock Photo - Alamy](https://c8.alamy.com/comp/2G1FN1R/edinburgh-castle-castle-castle-rock-cannon-one-oclock-gun-13-oclock-gun-historical-time-signal-soldier-gunner-edinburgh-scotland-great-2G1FN1R.jpg)
Edinburgh Castle, castle, Castle Rock, cannon, One O'Clock Gun, 13 o'clock gun, historical time signal, soldier, gunner, Edinburgh, Scotland, Great Stock Photo - Alamy
![Fascinating history of Edinburgh Castle's One o'clock Gun and its long-forgotten origins - Edinburgh Live Fascinating history of Edinburgh Castle's One o'clock Gun and its long-forgotten origins - Edinburgh Live](https://i2-prod.edinburghlive.co.uk/incoming/article21101146.ece/ALTERNATES/s1200c/0_640px-Edinburgh-Castle-Cannon-DSC_0245jfif.jpg)
Fascinating history of Edinburgh Castle's One o'clock Gun and its long-forgotten origins - Edinburgh Live
![Incredible picture captures the One o'clock Gun mid-shot as it fires from Edinburgh Castle – The Scottish Sun | The Scottish Sun Incredible picture captures the One o'clock Gun mid-shot as it fires from Edinburgh Castle – The Scottish Sun | The Scottish Sun](https://www.thescottishsun.co.uk/wp-content/uploads/sites/2/2017/07/20229609_10154843765696452_1186444132172627803_o.jpg?strip=all&quality=100&w=1920&h=1333&crop=1)
Incredible picture captures the One o'clock Gun mid-shot as it fires from Edinburgh Castle – The Scottish Sun | The Scottish Sun
![Incredible Edinburgh vintage map shows exactly when you'll hear the One o'Clock Gun - Edinburgh Live Incredible Edinburgh vintage map shows exactly when you'll hear the One o'Clock Gun - Edinburgh Live](https://i2-prod.edinburghlive.co.uk/incoming/article23479433.ece/ALTERNATES/s615b/0_66031f63ae299af2fcad06a4630d072b83007341.jpg)
Incredible Edinburgh vintage map shows exactly when you'll hear the One o'Clock Gun - Edinburgh Live
![Fascinating history of Edinburgh Castle's One o'clock Gun and its long-forgotten origins - Edinburgh Live Fascinating history of Edinburgh Castle's One o'clock Gun and its long-forgotten origins - Edinburgh Live](https://i2-prod.edinburghlive.co.uk/incoming/article21100885.ece/ALTERNATES/s615b/0_Firing_the_One_oclock_Gun_Edinburgh_Castle_-_geographorguk_-_2470099.jpg)