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Algolia search will return results for a specific period of time.
This includes presets for the past week, month, or year. Alternatively you can define a specific timespan.
https://hn.algolia.com/?dateRange=pastYear&page=0&prefix=fal...
Here's 2021:
https://hn.algolia.com/?dateEnd=1640908800&dateRange=custom&...
Note that time is designated in seconds from epoch.
https://hn.algolia.com/?dateEnd=1640908800&dateRange=custom&dateStart=1609459200sort=byPopularity&type=story