ERROR_INVALID_TIME - 1901 (0x76D)
The specified time is invalid.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_INVALID_TIME error code indicates that a time value provided to an operation is not valid. This can occur in various contexts, such as setting system time or manipulating date and time-related data structures.
Error Details
This error typically arises when the time value passed to a function or API call falls outside of the expected range or format. For example, attempting to set a future date beyond the maximum supported by the system or providing an invalid date format could trigger this error.
Usage Context
The ERROR_INVALID_TIME can be encountered in several scenarios:
- Setting the system time using functions like
SetSystemTime - Validating date and time values before performing operations
- Parsing and manipulating date-time strings
Developer Interpretation
Developers should ensure that any time-related data passed to APIs is within valid ranges and correctly formatted. This includes checking for leap years, invalid dates (like February 30th), and ensuring the date falls within the supported range by the operating system.
Related Errors
ERROR_INVALID_PARAMETER(12)ERROR_BAD_COMMAND(495)ERROR_FILE_NOT_FOUND(2)
FAQ
Q: What does the ERROR_INVALID_TIME error mean?
A: It indicates that a time value provided to an operation is not valid.
Q: How can I prevent this error from occurring?
A: Validate any date and time values before passing them to APIs, ensuring they are within expected ranges and correctly formatted.
Summary
The ERROR_INVALID_TIME error code signifies that a time value provided for an operation is invalid. Developers should ensure proper validation of date and time data to avoid this error.