Which Accessible Source Can Reliably Return Current Date, Time, Timezone and UTC Offset?
Question for Microsoft 365 Copilot experts I am trying to implement a reliable "Current Time Validation" control inside a Microsoft 365 Copilot workflow. The requirement is to obtain a machine-readable and repeatable timestamp containing: - Current date - Current time - Time zone identifier - UTC offset For example: 2026-09-16T18:09:00+08:00 Timezone: Asia/Shanghai UTC Offset: +08:00 My goal is not a human-readable world clock page, but a source that Microsoft 365 Copilot can actually access and consume reliably during execution. Business context: The timestamp is used as a mandatory validation gate before generating operational reports. If the timestamp is wrong, downstream conclusions may become invalid because greetings, operating-hours logic, OOO/PTO analysis, and action ownership are all time-dependent. Problems encountered so far I have already tested several approaches and found multiple reliability issues: 1. Conversation context is not a reliable clock source. Copilot may retain or reuse a timestamp from the beginning of a conversation rather than reflecting the actual current time. 2. External "current time" web pages are problematic. Some sites appear to return cached/indexed content when accessed through Copilot, producing timestamps that are clearly inconsistent with real-world elapsed time. 3. Human-readable sources are insufficient. I need a source that returns structured data which can be validated programmatically. 4. Timezone information alone is not enough. The solution must provide: - current date - current time - timezone identifier - UTC offset 5. The source must be repeatable. Two consecutive queries should return updated timestamps reflecting actual elapsed time. Questions 1. Among the data sources that Microsoft 365 Copilot can realistically access today, which source can provide: - date - time - timezone - UTC offset in a machine-readable format? 2. Is there any Microsoft-native source (Microsoft Graph, Outlook, Exchange Online, mailbox settings, tenant settings, calendar services, etc.) that exposes this information directly? 3. Which source would be considered the most reliable and repeatable for workflow-validation purposes? 4. Has anyone implemented a trusted "current time authority" pattern for Microsoft 365 Copilot or Copilot Studio agents? 5. Does Microsoft 365 Copilot have access to a real-time clock source that is guaranteed to be refreshed at query time rather than returning indexed or cached timestamp information? The objective is to establish a trusted and auditable timestamp before generating business reports, task summaries, or workflow decisions. Thanks in advance.