Function isValidSolar

isValidSolar(date): date is Date
Checks if a given date is a valid solar date within the range from January 31, 1900 to December 31, 2100. This function first ensures that the date is a valid Date object and then checks whether it falls within the specified range.
Parameters
- date: unknown
  The value to check.
Returns date is Date
True if the date is a valid solar date, otherwise false.
Example
```
// => true
isValidSolar(new Date('2025-01-1T00:00:00Z'))
```
Example
```
// => false
isValidSolar(new Date('1900-01-30T00:00:00Z'))
```
Example
```
// => false
isValidSolar(new Date('2101-01-01T00:00:00Z'))
```
- Defined in src/is-valid-solar/index.ts:25