The probe is planned to reach the Red Planet in May or June in 2021, China Daily reported.
据《中国日报》报道，该探测器计划于2021年5月或6月抵达火星。
2
June 2nd will be a red-letter day for him, he's getting married.
六月二日是他的大喜日子，他要结婚了。
《新英汉大辞典》
3
But on June 2nd a dozen people were killed and about as many injured when a lone gunman went on a 20-mile killing spree, bizarrely stopping, at one point, for a red light.