Kill Zones — Indicator by oscarvs

kill zone timezone ny london tokio

******* UPDATED VERSION *******
Use this one:

****************************************

>> OLD STUFF, please use the UPDATED version!!! <<

COPY & PASTE the code and change manually hours to reflect reality regardless selected TimeZone:
doNYOpen "1300-1310"
doNYSession "1300-0000"
doTokyoOpen "0030-0040"
doTokyoSession "0030-0930"
doLondonOpen "0800-0810"
doLondonSession "0800-1700"

Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

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//Created by user oscarvs 10-01-2014
//based on ChrisMoody script

study(title="Kill Zones",shorttitle="Kill Zones", overlay=true)
timeinrange(res, sess) => time(res, sess) != 0

doNYOpen = input(defval=true, type = bool, title="NY Kill Zone On")
doNYSession = input(defval=true, type = bool, title="NY Session On")

doTokyoOpen = input(defval=true, type = bool, title="Tokyo Kill Zone On")
doTokyoSession = input(defval=true, type = bool, title="Tokyo Session On")

doLondonOpen = input(defval=true, type = bool, title="London Kill Zone On")
doLondonSession = input(defval=true, type = bool, title="London Session On")


bgcolor(doNYOpen and timeinrange(period, "0800-0810") ? white : na, transp=20)
bgcolor(doNYSession and timeinrange(period, "0800-1700") ? white : na, transp=85)

bgcolor(doTokyoOpen and timeinrange(period, "1900-1910") ? maroon : na, transp=20)
bgcolor(doTokyoSession and timeinrange(period, "1900-0400") ? maroon : na, transp=85)

bgcolor(doLondonOpen and timeinrange(period, "0300-0310") ? olive : na, transp=20)
bgcolor(doLondonSession and timeinrange(period, "0300-1200") ? olive : na, transp=85)