Computers randomly change date/time zone


FatherTime

FatherTime

Active member
Member
Local time
4:34 PM
Posts
106
OS
Windows 11 Pro Version 24H2 OS Build 26100.2605
I have 2 PC's before the update the PCs time zone was fine one of them randomly got date and time change notification and it seems to set back 1 hour. I'm -5 ET (US) and it changes to -6 CT (US) on the second computer. I update both computers and now the first one is having this issue while the second one fixed after update???

I also click sync now and that doesnt work..
I restarted but nothing happens. How do I fix this?

Windows 24H2 Version 10.0.26100 Build 26100
 
Windows Build/Version
Version 10.0.26100 Build 26100

My Computer

System One

  • OS
    Windows 11 Pro Version 24H2 OS Build 26100.2605
    Computer type
    PC/Desktop
    Manufacturer/Model
    iBUYPOWER/MSI
    CPU
    Intel® Core™ i9-14900KF Processor
    Motherboard
    MSI PRO Z790-P WIFI
    Memory
    32 GB [16 GB X2] DDR5-5200MHz
    Graphics Card(s)
    NVIDIA GeForce RTX 4070 Ti
One thing that can affect time settings is use of a VPN, hides the actual location when on the Internet. Larger populations areas can have more than one Internet Service Provider and workers could have a computer subscribed to a different one than used at home. Some BIOSes have a setting for the time When setting up a new Windows computer the default time is PT, Microsoft is in the West. I use bootable Linux LiveUSB drives for diagnostics and it always sets the time to an hour East of England [UTC/GMT -1]. in Western Europe, and have to remember to reset when finished and booted back into Windows.
 

My Computers

System One System Two

  • OS
    Win11 Pro RTM
    Computer type
    Laptop
    Manufacturer/Model
    Dell Vostro 3400
    CPU
    Intel Core i5 11th Gen. 2.40GHz
    Memory
    12GB
    Hard Drives
    256GB SSD NVMe M.2
  • Operating System
    Windows 11 Pro RTM x64
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Vostro 5890
    CPU
    Intel Core i5 10th Gen. 2.90GHz
    Memory
    16GB
    Graphics card(s)
    Onboard, no VGA, using a DisplayPort-to-VGA adapter
    Monitor(s) Displays
    24" Dell
    Hard Drives
    512GB SSD NVMe, 4TB Seagate HDD
    Browser
    Firefox, Edge
    Antivirus
    Windows Defender/Microsoft Security
Berton said:
One thing that can affect time settings is use of a VPN, hides the actual location when on the Internet. Larger populations areas can have more than one Internet Service Provider and workers could have a computer subscribed to a different one than used at home. Some BIOSes have a setting for the time When setting up a new Windows computer the default time is PT, Microsoft is in the West. I use bootable Linux LiveUSB drives for diagnostics and it always sets the time to an hour East of England [UTC/GMT -1]. in Western Europe, and have to remember to reset when finished and booted back into Windows.
Click to expand...
I don't use a VPN and I didn't recently set up a new windows install. Also, for some weird reason the calendar displayed language in chinese..
 

My Computer

System One

  • OS
    Windows 11 Pro Version 24H2 OS Build 26100.2605
    Computer type
    PC/Desktop
    Manufacturer/Model
    iBUYPOWER/MSI
    CPU
    Intel® Core™ i9-14900KF Processor
    Motherboard
    MSI PRO Z790-P WIFI
    Memory
    32 GB [16 GB X2] DDR5-5200MHz
    Graphics Card(s)
    NVIDIA GeForce RTX 4070 Ti
Chinese Calendar.webp
 

My Computers

System One System Two

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP EliteDesk 705 G5
    CPU
    AMD Ryzen 5 Pro 3400GE
    Memory
    8GB DDR4 SDRAM
    Graphics Card(s)
    Integrated AMD Radeon Vega 11
    Hard Drives
    256 GB PCIe NVMe M.2 SSD
  • Operating System
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    DELL Inspiron 15-3576
    CPU
    Intel Core i5-8250U
    Memory
    8 GB DDR4 - 2400 SODIMM
    Graphics card(s)
    Intel UHD Graphics 620
    Hard Drives
    256GB SK Hynix SC311 SATA SSD

My Computer

System One

  • OS
    Windows 11 Pro Version 24H2 OS Build 26100.2605
    Computer type
    PC/Desktop
    Manufacturer/Model
    iBUYPOWER/MSI
    CPU
    Intel® Core™ i9-14900KF Processor
    Motherboard
    MSI PRO Z790-P WIFI
    Memory
    32 GB [16 GB X2] DDR5-5200MHz
    Graphics Card(s)
    NVIDIA GeForce RTX 4070 Ti
FatherTime said:
Already set.
Click to expand...
Since you have already covered all the bases in the previous posts you may wish to have a quick look at the time settings in your UEFI/BIOS. A weak CMOS battery can also wreak havoc with your time settings in addition to various types of software. Just a thought.
 

My Computer

System One

  • OS
    WIN 11, WIN 10, WIN 8.1, WIN 7 U, WIN 7 PRO, WIN 7 HOME (32 Bit), LINUX MINT
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY, ASUS, and DELL
    CPU
    Intel i7 6900K and i9-7960X / AMD 3800X (8 core)
    Motherboard
    ASUS X99E-WS USB 3.1 and ASUS X299 SAGE
    Memory
    128 GB CORSAIR DOMINATOR PLATINUM (B DIE)
    Graphics Card(s)
    NVIDIA 1070 and RTX 3070
    Sound Card
    Crystal Sound (onboard)
    Monitor(s) Displays
    single Samsung 30" 4K and 8" aux monitor
    Screen Resolution
    4K and something equally attrocious. I'll be working on this.
    Hard Drives
    A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W

    Ports X, Y, and Z are reserved for USB access and removable drives.

    Drive types consist of the following: Various mechanical hard drives bearing the brand names, Seagate, Toshiba, and Western Digital. Various NVMe drives bearing the brand names Kingston, Intel, Silicon Power, Crucial, Western Digital, and Team Group. Various SATA SSDs bearing various different brand names.

    RAID arrays included:

    LSI RAID 10 (WD Velociraptors) 1115.72 GB
    LSI RAID 10 (WD SSDS) 463.80 GB

    INTEL RAID 0 (KINGSTON HYPER X) System 447.14 GB
    INTEL RAID 1 TOSHIBA ENTERPRIZE class Data 2794.52 GB
    INTEL RAID 1 SEAGATE HYBRID 931.51 GB
    PSU
    SEVERAL. I prefer my Corsair Platinum HX1000i but I also like EVGA power supplies
    Case
    ThermalTake Level 10 GT (among others)
    Cooling
    Noctua is my favorite and I use it in my main. I also own various other coolers.
    Keyboard
    all kinds.
    Mouse
    all kinds
    Internet Speed
    360 mbps - 1 gbps (depending)
    Browser
    FIREFOX
    Antivirus
    KASPERSKY (no apologies)
    Other Info
    Gave Dell touch screen with Windows 11 to daughter and got me an OTVOC. Being a PC builder I own many desktop PCs as well. I am a father of five providing PCs, laptops, and tablets for all my family, most of which I have modified, rebuilt, or simply built from scratch. I do not own a cell phone, never have, never will.
Scannerman said:
Since you have already covered all the bases in the previous posts you may wish to have a quick look at the time settings in your UEFI/BIOS. A weak CMOS battery can also wreak havoc with your time settings in addition to various types of software. Just a thought.
Click to expand...
Not knowing the age of the system, I'm thinking it's the CMOS battery.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    PowerSpec B746
    CPU
    Intel Core i7-10700K
    Motherboard
    ASRock Z490 Phantom Gaming 4/ax
    Memory
    16GB (8GB PC4-19200 DDR4 SDRAM x2)
    Graphics Card(s)
    NVIDIA GeForce GTX 1050 TI
    Sound Card
    Realtek Audio
    Monitor(s) Displays
    #1. LG ULTRAWIDE 34" #2. AOC Q32G2WG3 32"
    Screen Resolution
    #1. 3440 X 1440 #2. 1920 x 1080
    Hard Drives
    NVMe WDC WDS100T2B0C-00PXH0 1TB
    Samsung SSD 860 EVO 1TB
    PSU
    750 Watts (62.5A)
    Case
    PowerSpec/Lian Li ATX 205
    Keyboard
    Logitech K270
    Mouse
    Logitech M185
    Browser
    Microsoft Edge and Firefox
    Antivirus
    ESET Internet Security
  • Operating System
    Windows 11 Canary Channel
    Computer type
    PC/Desktop
    Manufacturer/Model
    PowerSpec G156
    CPU
    Intel Core i5-8400 CPU @ 2.80GHz
    Motherboard
    AsusTeK Prime B360M-S
    Memory
    16 MB DDR 4-2666
    Monitor(s) Displays
    23" Speptre HDMI 75Hz
    Screen Resolution
    1920x1080
    Hard Drives
    Samsung 970 EVO 500GB NVMe
    Mouse
    Logitek M185
    Keyboard
    Logitek K270
    Browser
    Firefox, Edge and Edge Canary
    Antivirus
    Windows Defender
Scannerman said:
Since you have already covered all the bases in the previous posts you may wish to have a quick look at the time settings in your UEFI/BIOS. A weak CMOS battery can also wreak havoc with your time settings in addition to various types of software. Just a thought.
Click to expand...
Winuser said:
Not knowing the age of the system, I'm thinking it's the CMOS battery.
Click to expand...
Got the system in Jan 2024, not that old. lol But I will check BIOS sometime tomorrow.
 

My Computer

System One

  • OS
    Windows 11 Pro Version 24H2 OS Build 26100.2605
    Computer type
    PC/Desktop
    Manufacturer/Model
    iBUYPOWER/MSI
    CPU
    Intel® Core™ i9-14900KF Processor
    Motherboard
    MSI PRO Z790-P WIFI
    Memory
    32 GB [16 GB X2] DDR5-5200MHz
    Graphics Card(s)
    NVIDIA GeForce RTX 4070 Ti
Check BIOS and it appears that it says the same time that I have the PC set to in Date & Time Settings. I changed the time to the correct local time and every time I click "Sync now" with Microsoft's Time Server, it goes back to the wrong time. I did this with "Set time zone automatically" on and off. Same result.
 

My Computer

System One

  • OS
    Windows 11 Pro Version 24H2 OS Build 26100.2605
    Computer type
    PC/Desktop
    Manufacturer/Model
    iBUYPOWER/MSI
    CPU
    Intel® Core™ i9-14900KF Processor
    Motherboard
    MSI PRO Z790-P WIFI
    Memory
    32 GB [16 GB X2] DDR5-5200MHz
    Graphics Card(s)
    NVIDIA GeForce RTX 4070 Ti
What happens if going to the Time settings and further down add another clock? I use the local zone and UTC/GMT.

1746240471802.webp
 

My Computers

System One System Two

  • OS
    Win11 Pro RTM
    Computer type
    Laptop
    Manufacturer/Model
    Dell Vostro 3400
    CPU
    Intel Core i5 11th Gen. 2.40GHz
    Memory
    12GB
    Hard Drives
    256GB SSD NVMe M.2
  • Operating System
    Windows 11 Pro RTM x64
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Vostro 5890
    CPU
    Intel Core i5 10th Gen. 2.90GHz
    Memory
    16GB
    Graphics card(s)
    Onboard, no VGA, using a DisplayPort-to-VGA adapter
    Monitor(s) Displays
    24" Dell
    Hard Drives
    512GB SSD NVMe, 4TB Seagate HDD
    Browser
    Firefox, Edge
    Antivirus
    Windows Defender/Microsoft Security
Berton said:
What happens if going to the Time settings and further down add another clock? I use the local zone and UTC/GMT.

View attachment 132811
Click to expand...
Clock 1 shows correct time:
1746275219837.webp

I'm just going to turn off "Set time zone automatically". I made a post on Windows Feedback, so hopefully they acknowledge it.
 

My Computer

System One

  • OS
    Windows 11 Pro Version 24H2 OS Build 26100.2605
    Computer type
    PC/Desktop
    Manufacturer/Model
    iBUYPOWER/MSI
    CPU
    Intel® Core™ i9-14900KF Processor
    Motherboard
    MSI PRO Z790-P WIFI
    Memory
    32 GB [16 GB X2] DDR5-5200MHz
    Graphics Card(s)
    NVIDIA GeForce RTX 4070 Ti
FatherTime said:
I'm just going to turn off "Set time zone automatically".
Click to expand...
I have it turned off on all of my computers. It hasn't caused me any problems.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    PowerSpec B746
    CPU
    Intel Core i7-10700K
    Motherboard
    ASRock Z490 Phantom Gaming 4/ax
    Memory
    16GB (8GB PC4-19200 DDR4 SDRAM x2)
    Graphics Card(s)
    NVIDIA GeForce GTX 1050 TI
    Sound Card
    Realtek Audio
    Monitor(s) Displays
    #1. LG ULTRAWIDE 34" #2. AOC Q32G2WG3 32"
    Screen Resolution
    #1. 3440 X 1440 #2. 1920 x 1080
    Hard Drives
    NVMe WDC WDS100T2B0C-00PXH0 1TB
    Samsung SSD 860 EVO 1TB
    PSU
    750 Watts (62.5A)
    Case
    PowerSpec/Lian Li ATX 205
    Keyboard
    Logitech K270
    Mouse
    Logitech M185
    Browser
    Microsoft Edge and Firefox
    Antivirus
    ESET Internet Security
  • Operating System
    Windows 11 Canary Channel
    Computer type
    PC/Desktop
    Manufacturer/Model
    PowerSpec G156
    CPU
    Intel Core i5-8400 CPU @ 2.80GHz
    Motherboard
    AsusTeK Prime B360M-S
    Memory
    16 MB DDR 4-2666
    Monitor(s) Displays
    23" Speptre HDMI 75Hz
    Screen Resolution
    1920x1080
    Hard Drives
    Samsung 970 EVO 500GB NVMe
    Mouse
    Logitek M185
    Keyboard
    Logitek K270
    Browser
    Firefox, Edge and Edge Canary
    Antivirus
    Windows Defender
When I began encountering this on Windows 10 I just downloaded the software for an atomic clock and gave up on the MS version. In time one of their updates fixed the problem I guess, because I'm on Windows 10 right now and it's keeping the correct time. :-)
 

My Computer

System One

  • OS
    WIN 11, WIN 10, WIN 8.1, WIN 7 U, WIN 7 PRO, WIN 7 HOME (32 Bit), LINUX MINT
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY, ASUS, and DELL
    CPU
    Intel i7 6900K and i9-7960X / AMD 3800X (8 core)
    Motherboard
    ASUS X99E-WS USB 3.1 and ASUS X299 SAGE
    Memory
    128 GB CORSAIR DOMINATOR PLATINUM (B DIE)
    Graphics Card(s)
    NVIDIA 1070 and RTX 3070
    Sound Card
    Crystal Sound (onboard)
    Monitor(s) Displays
    single Samsung 30" 4K and 8" aux monitor
    Screen Resolution
    4K and something equally attrocious. I'll be working on this.
    Hard Drives
    A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W

    Ports X, Y, and Z are reserved for USB access and removable drives.

    Drive types consist of the following: Various mechanical hard drives bearing the brand names, Seagate, Toshiba, and Western Digital. Various NVMe drives bearing the brand names Kingston, Intel, Silicon Power, Crucial, Western Digital, and Team Group. Various SATA SSDs bearing various different brand names.

    RAID arrays included:

    LSI RAID 10 (WD Velociraptors) 1115.72 GB
    LSI RAID 10 (WD SSDS) 463.80 GB

    INTEL RAID 0 (KINGSTON HYPER X) System 447.14 GB
    INTEL RAID 1 TOSHIBA ENTERPRIZE class Data 2794.52 GB
    INTEL RAID 1 SEAGATE HYBRID 931.51 GB
    PSU
    SEVERAL. I prefer my Corsair Platinum HX1000i but I also like EVGA power supplies
    Case
    ThermalTake Level 10 GT (among others)
    Cooling
    Noctua is my favorite and I use it in my main. I also own various other coolers.
    Keyboard
    all kinds.
    Mouse
    all kinds
    Internet Speed
    360 mbps - 1 gbps (depending)
    Browser
    FIREFOX
    Antivirus
    KASPERSKY (no apologies)
    Other Info
    Gave Dell touch screen with Windows 11 to daughter and got me an OTVOC. Being a PC builder I own many desktop PCs as well. I am a father of five providing PCs, laptops, and tablets for all my family, most of which I have modified, rebuilt, or simply built from scratch. I do not own a cell phone, never have, never will.
FatherTime said:
Clock 1 shows correct time:
View attachment 132831

I'm just going to turn off "Set time zone automatically". I made a post on Windows Feedback, so hopefully they acknowledge it.
Click to expand...
Based on the Time zone on this PC via the picture you posted it's showing Central Time. Earlier you posted you're in Eastern Time! As you suggested turn off Set Time Zone automatically but then you have to set the correct Time Zone to Eastern. Sometimes what happens is your ISP can cause improper Time Zone to be detected by the PC thus show the incorrect one.
And BTW the UEFI/Bios will always show the same time as the OS shows. If you update the time settings within the OS, even if totally incorrect, the system RTC on the motherboard will also be updated. The CMOS battery is there to keep the RTC energized retaining the UEFI/Bios settings on the motherboard until the system is powered on again. If the CMOS battery is bad or some other RTC malfunction then the system will boot using the time of the system clock will be reflected in the OS....that is until the OS performs a system time update via whatever method is being utilitized.
 

My Computer

System One

  • OS
    Win 7/10/11
    Computer type
    PC/Desktop
    Other Info
    I'm a computer enthusiast so have quite a few systems that I run. More like an advanced hobby.
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