英文日曆中的日期、星期和月份都有特定的縮寫形式：
日期的英文縮寫為：1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th, 13th, 14th, 15th, 16th, 17th, 18th, 19th, 20th, 21st, 22nd, 23rd, 24th, 25th, 26th, 27th, 28th, 29th, 30th, 31st。
星期的英文縮寫為：Monday (Mon.), Tuesday (Tue.), Wednesday (Wed.), Thursday (Thurs. or Thur.), Friday (Fri.), Saturday (Sat.), Sunday (Sun.)。
月份的英文縮寫為：January (Jan.), February (Feb.), March (Mar.), April (Apr.), May, June (Jun.), July (Jul.), August (Aug.), September (Sept.), October (Oct.), November (Nov.), December (Dec.)。
需要注意的是，五月的英文縮寫沒有縮寫形式，而九月的英文縮寫是"Sept."。