claude-code - 💡(How to fix) Fix TZ env var ignored in Windows Bash — date returns UTC instead of local time [1 participants]

TL;DR

The issue can be worked around by using PowerShell's Get-Date command instead of the date command in Git Bash.

Guidance

• The TZ environment variable is not being respected by the date command in Git Bash on Windows, causing it to return UTC time instead of the specified timezone.
• To verify the issue, compare the output of TZ=Asia/Tokyo date +"%Y-%m-%d %H:%M:%S" in Git Bash with the output of Get-Date -Format 'yyyy-MM-dd HH:mm:ss' in PowerShell.
• As a workaround, use the PowerShell command powershell.exe -Command "Get-Date -Format 'yyyy-MM-dd HH:mm:ss'" to get the correct JST timestamp.
• Consider updating the global rules to use the PowerShell command for generating timestamps on Windows systems.

Example

# Workaround using PowerShell
powershell.exe -Command "Get-Date -Format 'yyyy-MM-dd HH:mm:ss'"

Notes

This issue appears to be specific to Git Bash on Windows and may not affect other platforms. The workaround using PowerShell should provide the correct timestamp, but it may require adjustments to existing scripts or workflows.

Recommendation

Apply workaround: using PowerShell's Get-Date command is a reliable way to get the correct JST timestamp on Windows systems, and it avoids the issue with the TZ environment variable being ignored by the date command in Git Bash.