Get your September calendars out. It's time to plan some kdrama celebrations. The following actors and actresses have birthdays this month and you may want to party it up by watching or re-watching their best dramas.

Here's a short list of which actors are older this month and what they are up to:

Sept. 6: Kim So Eun turns 24 this month. The actress who first attracted attention as the girl crushing on Kim Bum in "Boys over Flowers" appears in a drama-toon this year called "After School BokBulbok" and will also appear in "Inspiring Generation" with fellow BOF star Kim Hyun Joong.

Sept. 14: This was a very good year for Lee Jong Suk with his noona-killing role in "I Hear Your Voice." He is currently in two films "No Breathing" and "Hot Blooded Youth. The actor appeared in "School 2013," "Secret Garden" and "Prosecutor Princess," accomplishing all of this before he turned 24.

Sept. 15: Kim Sung Oh has appeared in several dramas, including "Secret Garden," "Myung Wol the Spy" and "History of a Salaryman," but you may know the soon to be 35-year-old actor from his most recent role as Lee Chang Hee, the loyal but misguided gangster in "When A Man Loves."

Sept. 16: Lee Jin Wook repeatedly traveled through time to change his family's destiny in the recent cable drama "Nine: Nine Time Travels." He also appeared in "Myung Wol the Spy" and "I Need Romance." He will be 32 in September.

Sept.19: Song Joong Ki, the star of "Nice Guy" and "Sungkyunkwan Scandal" reported for military duty this month. He will be missed as a regular on the variety show "Running Man. " Song, son to be 28, stars in the film "A Werewolf Boy."

Sept. 21: Yoon Sang Hyun, who debuted as an actor at the late age of 32, turns 40 this year. He's also having a good year. Known for playing Oska in "Secret Garden," as well as memorable roles in "Can't Lose" and "My Fair Lady," he got positive reviews for his role as the nerdy lawyer Cha Kwan Woo in the hit "I Hear Your Voice."

Sept 25: Hyun Bin, who turns 31 this month, is known for his hits "Secret Garden," "My Lovely Kim Sam Soon" and "Worlds Within." As a comeback, after serving his military duty, he will play King Jeongjo in the film "King's Wrath."

Sept. 29: Yoon Seung Ah is currently appearing in "Empire of Gold" as Jang Hee Jo. The soon-to-be 30-year-old actress has appeared in "Panda and the Hedgehog," "Moon Embracing the Sun" and "Playful Kiss."

Sept. 30: Last but not least is Joo Won who is currently playing Park Shi On, the savant but socially awkward doctor in "Good Doctor." The actor will be 26. He earned rave reviews for previous roles, which include "Bridal Mask," "King of Baking" and "Level 7 Civil Servant."