Astronomy
Calculate solstices, equinoxes, and seasons for any year
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/solstice-equinox' \
-H 'Content-Type: application/json' \
-d '{"year":2026,"hemisphere":"north","showNext":true}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/solstice-equinox| Name | Type | Required | Description |
|---|---|---|---|
| year | number | No | — |
| hemisphere | select | Yes | Select your hemisphere for season information |
| showNext | checkbox | No | Show the next solstice or equinox |
Text result
{
"result": "Processed text content",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-solstice-equinox": {
"name": "solstice-equinox",
"description": "Calculate solstices, equinoxes, and seasons for any year",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=solstice-equinox",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "solstice-equinox",
"arguments": {
"year": 2026,
"hemisphere": "north",
"showNext": true
}
}
}Questions or issues? Contact [email protected]