The timing of Blue Lock manga updates isn't set in stone. It usually depends on the author's progress and the publisher's schedule. Sometimes you might get new chapters every few weeks.
The updates for the Blue Lock manga aren't fixed. It could be monthly, or there could be a few months between updates. You'll have to keep an eye on the official sources for the latest info.
Chapter 900, "Let You Hold Your Great-Grandchild Sooner!", is the clearest early answer because it turns Miss Jiang's situation into a concrete plot event. It opens with The nerve-wracking two days quickly passed.
Chapter 630, "The Secret Manual Passed Down to Sons, Not Daughters", is the clearest early answer because the hidden truth stops feeling like mere subtext.
Chapter 693, "Is a Man's Prime That Short?", is the clearest early answer because it turns Sister's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Zhao Lang had never anticipated that the bravado he had shown earlier...
Chapter 530, "I Only Drink 80 Degree Tea!", is the clearest early answer because it turns Hua Country's situation into a concrete plot event. Early on, Old Sir Gu took a step back, his expression cold and guarded as he....
Chapter 683, "This is where you will be filming from now on!", is the clearest early answer because it turns Alright's situation into a concrete plot event.
If you want the clearest chapter reference, go to Chapter 13. Early on, Sensing that something was off with Jiang Yan, Jiang Yan dismissed the...; later, the chapter leans on What on earth do you mean?" Ignoring him once again, Jiang Li shifted her....
Chapter 884, "Master?!", is the clearest early answer because it turns Chang Song's situation into a concrete plot event. A useful checkpoint is the way the scene starts with I've heard this temple is quite magical, but why are there so many...
Chapter 566, "New Game Begins!", is the clearest early answer because it turns Chen Manman's situation into a concrete plot event. It opens with How is that possible?" Luo Xuan frowned, "What's the rush? and closes on I have a bad feeling about this.] [Wake up, when King Zheng speaks,....
Chapter 571, "Do You Know What Kind of Doctor is Standing in Front of You?", is the clearest early answer because the rescue effort creates visible on-page results.
Chapter 548, "A Guy Named Gu Yu", is the clearest early answer because it turns Jiang Cheng's situation into a concrete plot event.