### Answer Based on the available sources, Retell AI provides system default dynamic variables for date and time information [(1) ]() . The

{{current_time}}

variable gives you the current time in

America/Los_Angeles

timezone in the format "Thursday, March 28, 2024 at 11:46:04 PM PST" . You can also use

{{current_time_[timezone]}}

for specific timezones, such as

{{current_time_Australia/Sydney}}

. For calendar information, Retell AI offers

{{current_calendar}}

which provides a 14-day calendar in

America/Los_Angeles

timezone . The format is:

Thursday, March 28, 2024 PST (Today)
Friday, March 29, 2024 PST
…
Wednesday, April 10, 2024 PST

You can also use timezone-specific calendar variables like

{{current_calendar_[timezone]}}

. To improve date parsing accuracy in your prompts: 1. Use the system variables directly in your agent's prompt to provide context 2. Instruct your agent explicitly about date calculation logic in your general prompt or state prompts [(2) ]() [(3) ]() 3. Consider using custom functions to handle complex date parsing if the LLM struggles with relative dates like "upcoming Monday" The sources don't provide specific troubleshooting for day-of-week parsing errors. If you're experiencing consistent off-by-one errors with relative dates, you may need to add explicit instructions in your prompt about how to calculate relative dates from the

{{current_time}}

or

{{current_calendar}}

variables.

​ To learn more, see the sources I considered: [[1] Dynamic Variables](https://docs.retellai.com/build/dynamic-variables) [[2] Create Retell LLM](https://docs.retellai.com/api-references/create-retell-llm) [[3] Update Retell LLM](https://docs.retellai.com/api-references/update-retell-llm) ​

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.