Do I have a time mismatch on blades and Chassis

I have a poweredge VRTX. The chassis is set to use NTP and London Timezone. I connect to the vsphere 6.5 blades via ip_address in a web browser. The are set to use NTP also.The esxi blades can only show UTC time, the are an hour behind.
Is this a time mismatch that could be an issue with certificates ?
Does this mean an issue with NTP ?
mike shaoulAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Do your blades and chassis auto adjust to DST eg daylight saving

Otherwise set ALL to UTC eg GMT
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Ajay ChananaMCSE-2003/08|RHCSA| VCP5/6 |vExpert2018Commented:
I was checking  london time is 1 hour ahead of the  UTC time.  it that is the scenario then you not need to worry about.

If your server truly 1 hour ahead  means (2 hours) then you would require to check on NTP settings.

I hope that helps.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Okay

In the UK (London) we use GMT which the world calls UTC

Great Britain has always owned time!

But last Sunday in March time goes forward 1 hour for Daylight Saving

So London is currently UTC+1

Until last Sunday in October and it will revert to UTC or GMT+0

So it's generally best to set a standard to work off eg UTC
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mike shaoulAuthor Commented:
thank you Andrew, so if my chassis is set to London time zone and says 9am and my blades say 8 am UTC. Is that a mismatch ?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
If your chassis is UTC+1

Your blade is UTC

Do you know if your blades have shifted forward an hour?
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mike shaoulAuthor Commented:
Thanks, we are going to use ntp server this week. so blades and chassis should auto adjust. Otherwise I will set all to utc / gmt


many thanks
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mike shaoulAuthor Commented:
my esxi 6.5 blades are not synchronising with the ntp servers. I have configured vsphere web client and additional command line configuration as per https://kb.vmware.com/s/article/1035833 .
I have done the command line stuff on the esxi 6.5 blade that hosts the vcenter server only, so far. But no joy. Do I have to do the command line configuration on vcenter appliance vm , for the blade to sync ? or is it a firewall issue ? is there a command to show a blades ntp server, as I can only find getractime
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
ESXi configuration is only required to sync host with NTP server
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
What is the issue ?

As far as I recall NTP will only sync minutes

Do not expect it to set time zone

So set hour to UTC
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