Date Ranges, Timezones, and Currency
Last updated: April 18, 2026
How you configure date ranges, timezones, and currency in the Ads Manager affects how your data is aggregated and displayed. Understanding these settings helps you compare apples to apples when analyzing performance.
Prerequisites
- Access to the Ads Manager Ads Manager Overview
How It Works
The Ads Manager has three key display settings that affect how metrics are shown:
- Date Range — Which days of data to include
- Timezone — What defines a "day" (midnight boundaries)
- Currency — What currency to display monetary values in
These settings are global — they apply to all data in the Ads Manager, including campaigns, ad sets, and ads.
Date Ranges
Setting the Date Range
- Click the Date Range Picker in the Ads Manager toolbar
- Select a start date and end date
- All metrics update to reflect only that period
Available Range
The date picker shows the full range of available data for your account. When you first connect an ad account, Wevion backfills up to 6 months of historical data, so you can analyze past performance immediately.
Default Range
If no date range is set, Wevion defaults to the last 7 days.
How Date Ranges Affect Metrics
All metrics in the Ads Manager are summed across the selected date range:
| Date Range | What You See |
|---|---|
| Single day | Exact daily metrics (spend, impressions, etc.) |
| 7 days | Sum of all daily metrics for the week |
| 30 days | Monthly aggregate |
| Custom | Sum for your chosen period |
Budget and bid columns always show the most recent value (not a sum), since they represent the current configuration rather than a cumulative metric.
Timezones
How Timezones Work
Each Meta ad account has its own timezone (set when the account was created in Meta). This timezone defines when a "day" starts and ends for that account's metrics.
When you have multiple ad accounts in different timezones, daily aggregation can be tricky:
- Account A (EST) reports "today" starting at midnight EST
- Account B (CET) reports "today" starting at midnight CET
Timezone Options
| Option | Behavior |
|---|---|
| Account Timezone (default) | Each ad account's data is shown in its own original timezone. This is the most accurate option since it matches Meta's reporting. |
| Custom Timezone | All data is converted to a single timezone for consistent comparison. Wevion adjusts daily boundaries and proportionally redistributes metrics. |
Setting the Timezone
- Click the Timezone selector in the toolbar
- Choose "Account" for default behavior, or select a specific timezone (e.g.,
Europe/Rome,America/New_York) - Metrics recalculate to reflect the new timezone
How Timezone Conversion Works
When you select a custom timezone that differs from an account's timezone by 30 minutes or more:
- Wevion expands the data query by one day in each direction to capture boundary effects
- Metrics are proportionally distributed across the adjusted daily boundaries
- The result closely matches what you'd see in Meta with the same timezone setting
Note: Small discrepancies between Wevion and Meta may occur due to the proportional redistribution method. For the most accurate numbers, use "Account Timezone."
Currency
How Currency Works
Each Meta ad account operates in a specific currency (EUR, USD, GBP, etc.). When you have accounts in different currencies, comparing spend directly doesn't make sense.
Currency Options
| Option | Behavior |
|---|---|
| Account Currency (default) | Each account's data stays in its original currency. A mixed-currency account setup will show EUR, USD, etc. side by side. |
| Single Currency | All monetary values are converted to a selected currency using daily exchange rates. |
Setting the Currency
- Click the Currency selector in the toolbar
- Choose "Account" for default, or select a target currency (e.g., EUR, USD)
- All monetary values convert to the selected currency
How Currency Conversion Works
When a target currency is selected:
- Spend: Converted using daily exchange rates — each day's spend is converted at that day's rate for accuracy
- Budget and Bid: Converted using the start date's exchange rate
- Purchase Value / Revenue: Converted at the appropriate daily rate
- Postback Revenue: Converted from the postback's original currency to the target currency
- All derived metrics (CPC, CPM, ROAS, ROI, Profit, etc.) are recalculated after conversion
Important: Exchange rates are updated automatically by Wevion twice daily. This ensures currency conversions are reasonably accurate.
Currency Display
When a custom currency is selected, the account currency indicator changes to show the selected currency for all monetary columns.
Step-by-Step: Comparing Performance Across Accounts
To accurately compare campaigns across different ad accounts with different currencies and timezones:
- Set Currency to your preferred currency (e.g., EUR)
- Set Timezone to your local timezone (e.g.,
Europe/Rome) - Set your Date Range
- Now all campaigns are displayed in the same currency and timezone, making direct comparison meaningful
FAQ
Q: Why do my numbers differ slightly from Meta Ads Manager? A: Common reasons:
- Timezone mismatch: Ensure you're using the same timezone in both platforms
- Currency conversion: Wevion uses daily rates that may differ slightly from Meta's rates
- Data sync timing: Wevion syncs data periodically; Meta shows near-real-time data
- Proportional redistribution: When using a custom timezone, daily metrics are proportionally adjusted
Q: How often is data refreshed? A: Approximately every 15 minutes via automatic background sync. You can trigger a manual sync from the toolbar for immediate updates.
Q: Can I see hourly data? A: The Ads Manager shows daily aggregated data. Hourly breakdowns are not available in the current version.
Q: What exchange rate source does Wevion use? A: Wevion uses market exchange rates updated twice daily (every 12 hours). These are suitable for reporting purposes but may not match your bank's exact rates.
Q: What happens if I select a date range with no data? A: The Ads Manager will show an empty table. The date range picker indicates the minimum and maximum dates with available data to help you select a valid range.
Q: Does the date range affect postback data too? A: Yes. Postback conversions are filtered by the same date range, using timezone-aware queries to match daily boundaries correctly.