---
id: "P:cAlgo.API.CustomSymbol.MarketHours"
kind: "property"
type: "T:cAlgo.API.CustomSymbol"
url: "https://help.ctrader.com/ctrader-algo/references/Plugin/Symbol/Custom/CustomSymbol/MarketHours/"
---

> Documentation index for agents: https://help.ctrader.com/ctrader-algo/llms.txt · machine index: https://help.ctrader.com/ctrader-algo/api.json

# CustomSymbol.MarketHours

Member of [CustomSymbol](https://help.ctrader.com/ctrader-algo/references/Plugin/Symbol/Custom/CustomSymbol/index.md).

## MarketHours

Gets / sets the symbol market hours.

Environments: Desktop supported · CLI not supported · Cloud not supported.

- CLI: Available to plugins only, and plugins cannot run in the CLI.
- Cloud: Available to plugins only, and plugins cannot run in the cloud.

C#:

```csharp
CustomSymbolMarketHours MarketHours {get;}
```

Python:

```python
customSymbol.MarketHours: CustomSymbolMarketHours
```

### Returns

`CustomSymbolMarketHours` — 

Available since cAlgo.API 5.3.

### Examples

C#:

```csharp
var customSymbol = CustomSymbols.Add("MYEURUSD", Symbols.GetSymbol("EURUSD"));
customSymbol.MarketHours.Sessions.Clear();
customSymbol.MarketHours.Sessions.Add(new CustomSymbolTradingSession(DayOfWeek.Monday, DayOfWeek.Friday, TimeSpan.FromHours(1), TimeSpan.FromHours(23)));
Print("Sessions: {0}, holidays: {1}", customSymbol.MarketHours.Sessions.Count, customSymbol.MarketHours.Holidays.Count);
```

Python:

```python
from System import DayOfWeek, TimeSpan
customSymbol = api.CustomSymbols.Add("MYEURUSD", api.Symbols.GetSymbol("EURUSD"))
customSymbol.MarketHours.Sessions.Clear()
customSymbol.MarketHours.Sessions.Add(CustomSymbolTradingSession(DayOfWeek.Monday, DayOfWeek.Friday, TimeSpan.FromHours(1), TimeSpan.FromHours(23)))
api.Print(f"Sessions: {customSymbol.MarketHours.Sessions.Count}, holidays: {customSymbol.MarketHours.Holidays.Count}")
```