diff --git a/reference/5.1/Microsoft.PowerShell.Utility/Get-Date.md b/reference/5.1/Microsoft.PowerShell.Utility/Get-Date.md
index d49ea4ac30d..b83b1193933 100644
--- a/reference/5.1/Microsoft.PowerShell.Utility/Get-Date.md
+++ b/reference/5.1/Microsoft.PowerShell.Utility/Get-Date.md
@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Utility
-ms.date: 04/30/2025
+ms.date: 06/30/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/get-date?view=powershell-5.1&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Get-Date
@@ -556,13 +556,17 @@ The valid **UFormat specifiers** are displayed in the following table:
 | `%Z` | Time zone offset from Universal Time Coordinate (UTC)                   | -07                      |
 
 > [!NOTE]
-> Windows PowerShell's behavior with `Get-Date -UFormat %s` is incorrect in two respects:
+> In Windows PowerShell, not all **UFormat** specifiers produce the same results as their Unix
+> equivalents. For example:
 >
-> - The return value is based on local time instead of UTC time.
-> - The string representation of the seconds value has a fractional part. The output is
->   culture-sensitive with respect to the decimal mark.
+> - `Get-Date -UFormat %s` is incorrect in two respects:
+>   - The return value is based on local time instead of UTC time.
+>   - The string representation of the seconds value has a fractional part. The output is
+>     culture-sensitive with respect to the decimal mark.
+> - The formats of `%c`, `%l`, `%k`, `%s`, `%j`, and `%V` aren't consistent with the ISO 8601
+>   standard.
 >
-> These behaviors have been fixed in PowerShell 6 and higher.
+> These behaviors are fixed in PowerShell 6.1 and higher.
 
 ## RELATED LINKS
 
diff --git a/reference/7.4/Microsoft.PowerShell.Utility/Get-Date.md b/reference/7.4/Microsoft.PowerShell.Utility/Get-Date.md
index 8e57d208d5d..97c1e204b85 100644
--- a/reference/7.4/Microsoft.PowerShell.Utility/Get-Date.md
+++ b/reference/7.4/Microsoft.PowerShell.Utility/Get-Date.md
@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Utility
-ms.date: 04/30/2025
+ms.date: 06/30/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/get-date?view=powershell-7.4&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Get-Date
@@ -657,10 +657,13 @@ The valid **UFormat specifiers** are displayed in the following table:
 | `%Z` | Time zone offset from Universal Time Coordinate (UTC)                   | -07                      |
 
 > [!NOTE]
-> The behavior of `-UFormat %s` was changed to fix problems with the behavior in Windows PowerShell.
+> Not all **UFormat** specifiers produce the same results as their Unix equivalents. For example:
 >
-> - The return value is based on UTC time.
-> - The value is a whole number of seconds value (no fractional part).
+> - In Unix-based systems, `%W` returns the week number of the year as a decimal number in the range
+>   00 to 53, starting with the first Monday as the first day of week 01. All days before the first
+>   Monday of the year are in week 00.
+> - In PowerShell, `%W` returns the week number of the year as a decimal number, range 1 to 53, with
+>   no leading zero and no week zero. The first week starts on the first day of the year.
 
 ## RELATED LINKS
 
diff --git a/reference/7.5/Microsoft.PowerShell.Utility/Get-Date.md b/reference/7.5/Microsoft.PowerShell.Utility/Get-Date.md
index 06232e579b9..ea06fb15682 100644
--- a/reference/7.5/Microsoft.PowerShell.Utility/Get-Date.md
+++ b/reference/7.5/Microsoft.PowerShell.Utility/Get-Date.md
@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Utility
-ms.date: 04/30/2025
+ms.date: 06/30/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/get-date?view=powershell-7.5&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Get-Date
@@ -657,10 +657,13 @@ The valid **UFormat specifiers** are displayed in the following table:
 | `%Z` | Time zone offset from Universal Time Coordinate (UTC)                   | -07                      |
 
 > [!NOTE]
-> The behavior of `-UFormat %s` was changed to fix problems with the behavior in Windows PowerShell.
+> Not all **UFormat** specifiers produce the same results as their Unix equivalents. For example:
 >
-> - The return value is based on UTC time.
-> - The value is a whole number of seconds value (no fractional part).
+> - In Unix-based systems, `%W` returns the week number of the year as a decimal number in the range
+>   00 to 53, starting with the first Monday as the first day of week 01. All days before the first
+>   Monday of the year are in week 00.
+> - In PowerShell, `%W` returns the week number of the year as a decimal number, range 1 to 53, with
+>   no leading zero and no week zero. The first week starts on the first day of the year.
 
 ## RELATED LINKS
 
diff --git a/reference/7.6/Microsoft.PowerShell.Utility/Get-Date.md b/reference/7.6/Microsoft.PowerShell.Utility/Get-Date.md
index 26c8f59d011..dab606d27aa 100644
--- a/reference/7.6/Microsoft.PowerShell.Utility/Get-Date.md
+++ b/reference/7.6/Microsoft.PowerShell.Utility/Get-Date.md
@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Utility
-ms.date: 03/19/2024
+ms.date: 06/30/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/get-date?view=powershell-7.6&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Get-Date
@@ -657,10 +657,13 @@ The valid **UFormat specifiers** are displayed in the following table:
 | `%Z` | Time zone offset from Universal Time Coordinate (UTC)                   | -07                      |
 
 > [!NOTE]
-> The behavior of `-UFormat %s` was changed to fix problems with the behavior in Windows PowerShell.
+> Not all **UFormat** specifiers produce the same results as their Unix equivalents. For example:
 >
-> - The return value is based on UTC time.
-> - The value is a whole number of seconds value (no fractional part).
+> - In Unix-based systems, `%W` returns the week number of the year as a decimal number in the range
+>   00 to 53, starting with the first Monday as the first day of week 01. All days before the first
+>   Monday of the year are in week 00.
+> - In PowerShell, `%W` returns the week number of the year as a decimal number, range 1 to 53, with
+>   no leading zero and no week zero. The first week starts on the first day of the year.
 
 ## RELATED LINKS
 
diff --git a/reference/7.7/Microsoft.PowerShell.Utility/Get-Date.md b/reference/7.7/Microsoft.PowerShell.Utility/Get-Date.md
index 93ea7528b34..bc918f74bbf 100644
--- a/reference/7.7/Microsoft.PowerShell.Utility/Get-Date.md
+++ b/reference/7.7/Microsoft.PowerShell.Utility/Get-Date.md
@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Utility
-ms.date: 03/19/2024
+ms.date: 06/30/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/get-date?view=powershell-7.7&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Get-Date
@@ -657,10 +657,13 @@ The valid **UFormat specifiers** are displayed in the following table:
 | `%Z` | Time zone offset from Universal Time Coordinate (UTC)                   | -07                      |
 
 > [!NOTE]
-> The behavior of `-UFormat %s` was changed to fix problems with the behavior in Windows PowerShell.
+> Not all **UFormat** specifiers produce the same results as their Unix equivalents. For example:
 >
-> - The return value is based on UTC time.
-> - The value is a whole number of seconds value (no fractional part).
+> - In Unix-based systems, `%W` returns the week number of the year as a decimal number in the range
+>   00 to 53, starting with the first Monday as the first day of week 01. All days before the first
+>   Monday of the year are in week 00.
+> - In PowerShell, `%W` returns the week number of the year as a decimal number, range 1 to 53, with
+>   no leading zero and no week zero. The first week starts on the first day of the year.
 
 ## RELATED LINKS