One Direction's Harry Styles, Liam Payne, Niall Horan, Louis Tomlinson, and former member Zayn Malik have a busy year ahead. While not everything has been announced, here is a basic timeline for album releases, family birthdays, baby's due dates, and more.
The One Direction family has a lot of birthdays during the first of the year. Zayn Malik and Harry Styles were both born early in the year, and so was Louis Tomlinson's son.
- Niall Horan's mom Maura Gallager already turned 56 this year on January 1.
- Zayn Malik was born on January 12. A former One Direction member, Zayn is now 24.
- Freddie Tomlinson's birthday is January 21. Louis Tomlinson's son will be one-year-old
- One Direction's Harry Styles was born on February 1. Harry will be 23-years-old.
- Louis Tomlinson's half-sibling twins Doris and Earnest Deakin were only born a few years ago. Their birthday is February 10. They will be three years old.
- Niall Horan's brother Greg Horan was born on February 11. Greg Horan will be 30.
- Louis Tomlinson's twin sisters were born on March 23. They will be 13-years-old on their birthday.
Harry Styles debut solo album may be coming out in mid-February according to a source for Hollywood Life. This is not set in stone. One Direction's Harry Styles has not announced anything. In fact, it's little more than a rumor, but who can wait till summer so here's to hoping this rumor is true.
If Harry Styles does not release his album in mid-February, it is likely that Niall Horan, Liam Payne, or Louis Tomlinson will release their album around this time. One Direction fans are eager to hear the music that they've been waiting so long for.

- Zayn Malik's oldest sister's birthday is April 19. Zayn's oldest sister Doniya Malik will be 25-years-old.
Niall Horan's album could be released next since he released "This Town" in October. It is hard to imagine One Direction's Niall Horan will keep fans waiting much longer. Since it would be sensible to space their releases it would be probable, though it is just a guess that Niall's album could come out in March or April. If not, perhaps Louis Tomlinson will release an album then.
Liam Payne is still believed to be recording his album. It could take a while for Liam's album to be produced since it is yet to be completed. He is thought to still be doing a recording session now, in January.

One Direction's Harry Styles, Niall Horan, Liam Payne, and Louis Tomlinson have not officially announced any release dates for their albums or singles. Niall Horan and Louis Tomlinson didn't release information about their solo singles prior to release. One Direction has instead chosen to surprise fans. Harry and Liam have not released any singles yet.
Logically though One Direction music should be coming out by April, with at least one or two solo albums and the two remaining solo singles from Harry Styles and Liam Payne coming out soon. At least everyone hopes so.
- Gigi Hadid's birthday is April 23. Zayn Malik's Victoria's Secret model girlfriend Gigi will be 22-years-old.
- Liam Payne's sister Nicola Payne will turn 29 on May 27.
- Liam Payne's mom Karen Payne will turn 58 on June 20.
- Cheryl Cole's birthday is June 30. Liam Payne's girlfriend will be 34-years-old.

One Direction's Harry Styles stars in the Christopher Nolan Film Dunkirk to be released on July 21 in the USA according to IMBd. Dunkirk has been rated the third most anticipated movie of 2017 by Indiewire. It's probably the most anticipated film of all time, by Directioners.
- Niall Horan's father, Bobby Horan was born on July 18 and will be 51-years-old.
- Zayn Malik's sister's birthday is July 23. Zayn's sister Waliyha Malik will be 19-years-old.
- Louis Tomlinson's sister was born on August 4, Louis's sister Lottie Tomlinson will be 19-years-old this year.
- Louis Tomlinson's other sister's birthday is August 16. Louis's sister Felicite Tomlinson will be 17.
- One Direction's Liam Payne's birthday is August 29 Liam will be 24-years-old.
- Zayn Malik's dad's birthday is September 10, Zayn's father will be 48-years-old.
- Zayn Malik's baby sister's birthday is September 13. Zayn's youngest sister Safaa Malik will be 15-years-old.
- One Direction's Niall Horan's birthday is September 13 Niall will be 24-years-old.
Will One Direction's Harry Styles, Niall Horan, Louis Tomlinson, and Liam Payne reunite before October? One Direction fans will have to wait and see. The latest date mentioned for reunion would be March of 2018.
- Harry Styles mom's Anna Cox was born on October 21, Harry's mom will be 50 this year.
- Liam Payne's sister's Ruth was born November 9. Liam's sister Ruth Payne will be 27-years-old.
- Zayn Malik's mom's Trish Malik will turn 48 on November 1.
- Liam Payne's father's birthday is November 26. Liam Payne's dad Geoff Payne will be 60-years-old.
- Harry Styles sister's Gemma styles will turn 27 on December 3.
- Louis Tomlinson of One Direction's birthday is December 24, Louis will be 26-years-old.
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One Direction with Harry Styles, Liam Payne, Niall Horan and Louis Tomlinson have a busy year ahead, and so does Zayn Malik. No one knows what the future holds for Styles, Payne, Horan, Tomlinson, and Malik but most One Direction fans want to see One Direction together again as soon as possible.
One Direction's Harry Styles, Liam Payne, Louis Tomlinson, and Niall Horan should come together again by late 2017, but could Zayn Malik be with them?
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