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roneygomes/date-str-to-long.clj

Last active June 14, 2019 13:47
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Convert ISO date string to milliseconds since epoch.
Raw
date-str-to-long.clj
(defn date-str->millis [date-str]
(let [milliseconds-in-a-day (* 24 60 60 1000)]
(-> (LocalDate/parse date-str DateTimeFormatter/ISO_DATE)
(.toEpochDay)
(* milliseconds-in-a-day))))
;; Examples:
;; (date-str->millis "2014-12-01")
;; => 1417392000000
;; (date-str->millis "2020-08-15")
;; => 1597449600000
;; (date-str->millis "2019-02-27")
;; => 1551225600000
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