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objectid

Extracts the TIMESTAMP WITH TIME ZONE from a given ObjectId. Supported Signatures 
function objectid() returns objectid
function objectid(varchar) returns objectid
🔗 Official Documentation

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objectid_timestamp

Extracts the TIMESTAMP WITH TIME ZONE from a given ObjectId. Supported Signatures 
function objectid_timestamp(objectid) returns timestamp
🔗 Official Documentation

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timestamp_objectid

Creates an ObjectId from a TIMESTAMP WITH TIME ZONE. Supported Signatures 
function timestamp_objectid(timestamp(0)) returns objectid
🔗 Official Documentation