The earliest file on the blessing of oils seems within the Apostolic Tradition, an early Christian document usually acknowledged for being dated right before 235 CE. These days, consecrating the oils is carefully tied to preparation for Holy Saturday’s Easter Vigil, as 1000's are baptized into your Catholic Church https://liantong.com.tw/%e6%83%b3%e8%be%a6%e7%90%86%e6%96%b0%e7%ab%b9%e6%88%bf%e5%b1%8b%e4%ba%8c%e8%83%8e%e8%b2%b8%e6%ac%be%ef%bc%9f%e8%81%af%e9%80%9a%e8%b2%b8%e6%95%99%e6%82%a8%e5%a6%82%e4%bd%95%e7%b0%a1%e5%96%ae%e7%94%b3/