Information about DAX, video instruction how to find futures quotes in premarket,
useful links and lingo from my Morning notes and charts
DAX Trading hours

DAX Futures Trading hours was changed from Dec 10, 2018. You can read about the changes in this article.
START of the futures session depends on Daylight saving time change.
It starts from 01:15 am OR at 02:15 am CET. Screenshots are from Interactive Brokers platform

On TradingView, IF you are using the FREE version, you will get DELAYED quotes for Futures, and on Investing.com you can see them for free. This is video instruction how to set that chart - we need Futures charts to get info where are pre-market low and high values. This is "budget" variant, and better one is to pay for Eurex real time data and use TradingView or another charting software.
I use Trading View platform for charting, and there are various available DAX CFDs on it.
Here are them, and the one I am using for Zones are either DE30EUR or GRXEUR.
Zones are also given for Futures.

Note that there could be differences between CFD quotes from TradingView and your broker. Also, there is always a difference between CFD quotes and futures. I use CFDs for this zones chart, because most of the people trade them (I did an poll on that on Twitter). Sometimes it is better to use CFDs, because you can close partially if you have small account, and trade less value than with futures. But, when you grow your account, OR you already have a decent size account - it is better to trade futures. Better fills, less slippage, better regulation and lower commissions.
Useful links:
Deutsche Börse Xetra - Trading calendar
Börse Frankfurt DAX page (to check previous Cash close)
Lingo (abbreviations) from the M. NOTES and Twitter feed
RTH -> Regular Trading Hours. Stock market trading hours, and Cash Index trading hours.
In case of DAX, it means 09:00 - 17:30 German time (CET).
PMKT -> Pre-market Session
PMKT L / PMKT H -> Pre-market Low or High values
AH or AH session -> Afterhours Session - check the top of the page
ONH and ONL -> Overnight high and Overnight low values for US markets.
YH and YL -> Yesterday High and Yesterday Low values
ATH -> All Time High
LTF -> Large time-frames
cash close -> Previous Close of the Cash Index
LOD and HOD -> Low of the day and High of the day
PA -> Price Action
MGI -> Market Generated Information
LVN and HVN -> Low Volume Node / High Volume Node from Volume Profile
OpEx -> Options Expiry (in case of DAX, at 13:00 CET, plus 10-15 min of auction)
If you think some other useful information should be on this page, contact me.